3625400 has 24 divisors (see below), whose sum is σ = 8429520. Its totient is φ = 1450080.

The previous prime is 3625397. The next prime is 3625411. The reversal of 3625400 is 45263.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 8864 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (351230).

Almost surely, 2^3625400 is an apocalyptic number.

It is an amenable number.

3625400 is an abundant number, since it is smaller than the sum of its proper divisors (4804120).

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

3625400 is a wasteful number, since it uses less digits than its factorization.

3625400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143 (or 18134 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3625400 is about 1904.0483187146. The cubic root of 3625400 is about 153.6214913143.

The spelling of 3625400 in words is "three million, six hundred twenty-five thousand, four hundred".