3625240 has 16 divisors (see below), whose sum is σ = 8156880. Its totient is φ = 1450080.

The previous prime is 3625229. The next prime is 3625243. The reversal of 3625240 is 425263.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3625243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45276 + ... + 45355.

It is an arithmetic number, because the mean of its divisors is an integer number (509805).

Almost surely, 2^3625240 is an apocalyptic number.

It is an amenable number.

3625240 is an abundant number, since it is smaller than the sum of its proper divisors (4531640).

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

3625240 is a wasteful number, since it uses less digits than its factorization.

3625240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90642 (or 90638 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3625240 is about 1904.0063025106. The cubic root of 3625240 is about 153.6192313522.

The spelling of 3625240 in words is "three million, six hundred twenty-five thousand, two hundred forty".