19952466 has 16 divisors (see below), whose sum is σ = 40501344. Its totient is φ = 6551424.

The previous prime is 19952461. The next prime is 19952467. The reversal of 19952466 is 66425991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19952461) 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 7 ways as a sum of consecutive naturals, for example, 24415 + ... + 25218.

It is an arithmetic number, because the mean of its divisors is an integer number (2531334).

Almost surely, 2^19952466 is an apocalyptic number.

19952466 is an abundant number, since it is smaller than the sum of its proper divisors (20548878).

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

19952466 is a wasteful number, since it uses less digits than its factorization.

19952466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49705.

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

The square root of 19952466 is about 4466.8183307585. The cubic root of 19952466 is about 271.2265458566.

The spelling of 19952466 in words is "nineteen million, nine hundred fifty-two thousand, four hundred sixty-six".