3658975 has 6 divisors (see below), whose sum is σ = 4537160. Its totient is φ = 2927160.

The previous prime is 3658943. The next prime is 3658981. The reversal of 3658975 is 5798563.

It is not a de Polignac number, because 3658975 - 2⁵ = 3658943 is a prime.

It is a congruent 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, 73155 + ... + 73204.

Almost surely, 2^3658975 is an apocalyptic number.

3658975 is a deficient number, since it is larger than the sum of its proper divisors (878185).

3658975 is a wasteful number, since it uses less digits than its factorization.

3658975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146369 (or 146364 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 3658975 is about 1912.8447401710. The cubic root of 3658975 is about 154.0942667921.

The spelling of 3658975 in words is "three million, six hundred fifty-eight thousand, nine hundred seventy-five".