3622440 has 32 divisors (see below), whose sum is σ = 10867680. Its totient is φ = 965952.

The previous prime is 3622439. The next prime is 3622453. The reversal of 3622440 is 442263.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14974 + ... + 15213.

It is an arithmetic number, because the mean of its divisors is an integer number (339615).

Almost surely, 2^3622440 is an apocalyptic number.

3622440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3622440 is an abundant number, since it is smaller than the sum of its proper divisors (7245240).

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

3622440 is a wasteful number, since it uses less digits than its factorization.

3622440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30201 (or 30197 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3622440 is about 1903.2708687940. The cubic root of 3622440 is about 153.5796712463.

The spelling of 3622440 in words is "three million, six hundred twenty-two thousand, four hundred forty".