3658672 has 20 divisors (see below), whose sum is σ = 7506216. Its totient is φ = 1721600.

The previous prime is 3658667. The next prime is 3658673. The reversal of 3658672 is 2768563.

It is not an unprimeable number, because it can be changed into a prime (3658673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454 + ... + 6997.

Almost surely, 2^3658672 is an apocalyptic number.

It is an amenable number.

3658672 is an abundant number, since it is smaller than the sum of its proper divisors (3847544).

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

3658672 is a wasteful number, since it uses less digits than its factorization.

3658672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476 (or 13470 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 3658672 is about 1912.7655371216. The cubic root of 3658672 is about 154.0900131553.

The spelling of 3658672 in words is "three million, six hundred fifty-eight thousand, six hundred seventy-two".