3965436 has 30 divisors (see below), whose sum is σ = 10367280. Its totient is φ = 1321704.

The previous prime is 3965419. The next prime is 3965441. The reversal of 3965436 is 6345693.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3965436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5796 + ... + 6443.

It is an arithmetic number, because the mean of its divisors is an integer number (345576).

Almost surely, 2^3965436 is an apocalyptic number.

3965436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3965436 is an abundant number, since it is smaller than the sum of its proper divisors (6401844).

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

3965436 is a wasteful number, since it uses less digits than its factorization.

3965436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255 (or 12244 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 3965436 is about 1991.3402521920. The cubic root of 3965436 is about 158.2815574630.

It can be divided in two parts, 396 and 5436, that added together give a cube (5832 = 18³).

The spelling of 3965436 in words is "three million, nine hundred sixty-five thousand, four hundred thirty-six".