3965610402 has 24 divisors (see below), whose sum is σ = 9253091484. Its totient is φ = 1220187744.

The previous prime is 3965610379. The next prime is 3965610413. The reversal of 3965610402 is 2040165693.

It is a happy number.

3965610402 is a `hidden beast` number, since 3 + 96 + 561 + 0 + 4 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3951253881 + 14356521 = 62859^2 + 3789^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8473293 + ... + 8473760.

Almost surely, 2^3965610402 is an apocalyptic number.

3965610402 is an abundant number, since it is smaller than the sum of its proper divisors (5287481082).

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

3965610402 is a wasteful number, since it uses less digits than its factorization.

3965610402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16947074 (or 16947071 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3965610402 is about 62973.0926825100. The cubic root of 3965610402 is about 1582.8387786486.

The spelling of 3965610402 in words is "three billion, nine hundred sixty-five million, six hundred ten thousand, four hundred two".