3662856 has 24 divisors (see below), whose sum is σ = 9920430. Its totient is φ = 1220928.

The previous prime is 3662849. The next prime is 3662861. The reversal of 3662856 is 6582663.

It can be written as a sum of positive squares in only one way, i.e., 3006756 + 656100 = 1734^2 + 810^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 3662856.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25365 + ... + 25508.

Almost surely, 2^3662856 is an apocalyptic number.

3662856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3662856 is an abundant number, since it is smaller than the sum of its proper divisors (6257574).

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

3662856 is a wasteful number, since it uses less digits than its factorization.

3662856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50885 (or 50878 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3662856 is about 1913.8589289705. The cubic root of 3662856 is about 154.1487290874.

The spelling of 3662856 in words is "three million, six hundred sixty-two thousand, eight hundred fifty-six".