3698724 has 24 divisors (see below), whose sum is σ = 9138528. Its totient is φ = 1160320.

The previous prime is 3698719. The next prime is 3698753. The reversal of 3698724 is 4278963.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8862 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (380772).

Almost surely, 2^3698724 is an apocalyptic number.

3698724 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3698724 is an abundant number, since it is smaller than the sum of its proper divisors (5439804).

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

3698724 is a wasteful number, since it uses less digits than its factorization.

3698724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18155 (or 18153 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3698724 is about 1923.2066971597. The cubic root of 3698724 is about 154.6502554757.

The spelling of 3698724 in words is "three million, six hundred ninety-eight thousand, seven hundred twenty-four".