3627440 has 20 divisors (see below), whose sum is σ = 8433984. Its totient is φ = 1450944.

The previous prime is 3627427. The next prime is 3627451. The reversal of 3627440 is 447263.

It is a happy number.

3627440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 22592 + ... + 22751.

Almost surely, 2^3627440 is an apocalyptic number.

It is an amenable number.

3627440 is an abundant number, since it is smaller than the sum of its proper divisors (4806544).

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

3627440 is a wasteful number, since it uses less digits than its factorization.

3627440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45356 (or 45350 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3627440 is about 1904.5839440676. The cubic root of 3627440 is about 153.6503000048.

The spelling of 3627440 in words is "three million, six hundred twenty-seven thousand, four hundred forty".