3865269402 has 16 divisors (see below), whose sum is σ = 8589487680. Its totient is φ = 1288423116.

The previous prime is 3865269371. The next prime is 3865269433. The reversal of 3865269402 is 2049625683.

3865269402 is a `hidden beast` number, since 3 + 86 + 526 + 9 + 40 + 2 = 666.

3865269402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3865269371) and next prime (3865269433).

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, 35789478 + ... + 35789585.

It is an arithmetic number, because the mean of its divisors is an integer number (536842980).

Almost surely, 2^3865269402 is an apocalyptic number.

3865269402 is an abundant number, since it is smaller than the sum of its proper divisors (4724218278).

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

3865269402 is a wasteful number, since it uses less digits than its factorization.

3865269402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71579074 (or 71579068 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 3865269402 is about 62171.2908181904. The cubic root of 3865269402 is about 1569.3744924624.

The spelling of 3865269402 in words is "three billion, eight hundred sixty-five million, two hundred sixty-nine thousand, four hundred two".