19946652 has 48 divisors (see below), whose sum is σ = 51190272. Its totient is φ = 5994880.

The previous prime is 19946651. The next prime is 19946653. The reversal of 19946652 is 25664991.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19946651) and next prime (19946653).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19946651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17533 + ... + 18635.

It is an arithmetic number, because the mean of its divisors is an integer number (1066464).

Almost surely, 2^19946652 is an apocalyptic number.

19946652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19946652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25595136).

19946652 is an abundant number, since it is smaller than the sum of its proper divisors (31243620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19946652 is a wasteful number, since it uses less digits than its factorization.

19946652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 19946652 is about 4466.1674845442. The cubic root of 19946652 is about 271.2001988321.

It can be divided in two parts, 1994 and 6652, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 19946652 in words is "nineteen million, nine hundred forty-six thousand, six hundred fifty-two".