19961952 has 48 divisors (see below), whose sum is σ = 52662960. Its totient is φ = 6620672.

The previous prime is 19961941. The next prime is 19961969. The reversal of 19961952 is 25916991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25438 + ... + 26210.

It is an arithmetic number, because the mean of its divisors is an integer number (1097145).

Almost surely, 2^19961952 is an apocalyptic number.

19961952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19961952 is an abundant number, since it is smaller than the sum of its proper divisors (32701008).

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

19961952 is a wasteful number, since it uses less digits than its factorization.

19961952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1047 counting only the distinct ones).

The product of its digits is 43740, while the sum is 42.

The square root of 19961952 is about 4467.8800341997. The cubic root of 19961952 is about 271.2695221213.

The spelling of 19961952 in words is "nineteen million, nine hundred sixty-one thousand, nine hundred fifty-two".