3698457 has 16 divisors (see below), whose sum is σ = 5831040. Its totient is φ = 2040192.

The previous prime is 3698447. The next prime is 3698489. The reversal of 3698457 is 7548963.

It is a happy number.

It is not a de Polignac number, because 3698457 - 2⁴ = 3698441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3698417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2428 + ... + 3645.

It is an arithmetic number, because the mean of its divisors is an integer number (364440).

Almost surely, 2^3698457 is an apocalyptic number.

It is an amenable number.

3698457 is a deficient number, since it is larger than the sum of its proper divisors (2132583).

3698457 is a wasteful number, since it uses less digits than its factorization.

3698457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112.

The product of its digits is 181440, while the sum is 42.

The square root of 3698457 is about 1923.1372805913. The cubic root of 3698457 is about 154.6465341372.

The spelling of 3698457 in words is "three million, six hundred ninety-eight thousand, four hundred fifty-seven".