3638675 has 6 divisors (see below), whose sum is σ = 4511988. Its totient is φ = 2910920.

The previous prime is 3638653. The next prime is 3638699. The reversal of 3638675 is 5768363.

It is not a de Polignac number, because 3638675 - 2⁸ = 3638419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72749 + ... + 72798.

It is an arithmetic number, because the mean of its divisors is an integer number (751998).

Almost surely, 2^3638675 is an apocalyptic number.

3638675 is a deficient number, since it is larger than the sum of its proper divisors (873313).

3638675 is a wasteful number, since it uses less digits than its factorization.

3638675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145557 (or 145552 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 3638675 is about 1907.5311268758. The cubic root of 3638675 is about 153.8087663957.

The spelling of 3638675 in words is "three million, six hundred thirty-eight thousand, six hundred seventy-five".