3932418681 has 9 divisors (see below), whose sum is σ = 5680432069. Its totient is φ = 2621487036.

The previous prime is 3932418673. The next prime is 3932418713. The reversal of 3932418681 is 1868142393.

The square root of 3932418681 is 62709.

It is a perfect power (a square), and thus also a powerful number.

3932418681 is a `hidden beast` number, since 393 + 2 + 4 + 186 + 81 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3932418681 - 2³ = 3932418673 is a prime.

It is a super-2 number, since 2×3932418681² = 30927833365355559522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3932418661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 177676 + ... + 198578.

Almost surely, 2^3932418681 is an apocalyptic number.

3932418681 is the 62709-th square number.

3932418681 is the 31355-th centered octagonal number.

It is an amenable number.

3932418681 is a deficient number, since it is larger than the sum of its proper divisors (1748013388).

3932418681 is an frugal number, since it uses more digits than its factorization.

3932418681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41812 (or 20906 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The cubic root of 3932418681 is about 1578.4103384773.

The spelling of 3932418681 in words is "three billion, nine hundred thirty-two million, four hundred eighteen thousand, six hundred eighty-one".