3865034436 has 12 divisors (see below), whose sum is σ = 9018413712. Its totient is φ = 1288344808.

The previous prime is 3865034413. The next prime is 3865034441. The reversal of 3865034436 is 6344305683.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161043090 + ... + 161043113.

It is an arithmetic number, because the mean of its divisors is an integer number (751534476).

Almost surely, 2^3865034436 is an apocalyptic number.

It is an amenable number.

3865034436 is an abundant number, since it is smaller than the sum of its proper divisors (5153379276).

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

3865034436 is a wasteful number, since it uses less digits than its factorization.

3865034436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322086210 (or 322086208 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 3865034436 is about 62169.4011230605. The cubic root of 3865034436 is about 1569.3426915639.

The spelling of 3865034436 in words is "three billion, eight hundred sixty-five million, thirty-four thousand, four hundred thirty-six".