3698388 has 36 divisors (see below), whose sum is σ = 9842560. Its totient is φ = 1167696.

The previous prime is 3698371. The next prime is 3698389. The reversal of 3698388 is 8838963.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020 + ... + 3387.

Almost surely, 2^3698388 is an apocalyptic number.

3698388 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3698388 is an abundant number, since it is smaller than the sum of its proper divisors (6144172).

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

3698388 is a wasteful number, since it uses less digits than its factorization.

3698388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436 (or 5431 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3698388 is about 1923.1193410706. The cubic root of 3698388 is about 154.6455724138.

The spelling of 3698388 in words is "three million, six hundred ninety-eight thousand, three hundred eighty-eight".