3621740 has 12 divisors (see below), whose sum is σ = 7605696. Its totient is φ = 1448688.

The previous prime is 3621733. The next prime is 3621767. The reversal of 3621740 is 471263.

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, 90524 + ... + 90563.

It is an arithmetic number, because the mean of its divisors is an integer number (633808).

Almost surely, 2^3621740 is an apocalyptic number.

It is an amenable number.

3621740 is an abundant number, since it is smaller than the sum of its proper divisors (3983956).

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

3621740 is a wasteful number, since it uses less digits than its factorization.

3621740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181096 (or 181094 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3621740 is about 1903.0869659582. The cubic root of 3621740 is about 153.5697780347.

The spelling of 3621740 in words is "three million, six hundred twenty-one thousand, seven hundred forty".