3658898 has 4 divisors (see below), whose sum is σ = 5488350. Its totient is φ = 1829448.

The previous prime is 3658891. The next prime is 3658943. The reversal of 3658898 is 8988563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 1203409 = 1567^2 + 1097^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3658891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914723 + ... + 914726.

Almost surely, 2^3658898 is an apocalyptic number.

3658898 is a deficient number, since it is larger than the sum of its proper divisors (1829452).

3658898 is a wasteful number, since it uses less digits than its factorization.

3658898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829451.

The product of its digits is 414720, while the sum is 47.

The square root of 3658898 is about 1912.8246129742. The cubic root of 3658898 is about 154.0931858572.

The spelling of 3658898 in words is "three million, six hundred fifty-eight thousand, eight hundred ninety-eight".