3697998 has 16 divisors (see below), whose sum is σ = 7507200. Its totient is φ = 1214136.

The previous prime is 3697997. The next prime is 3698029. The reversal of 3697998 is 8997963.

It is a self number, because there is not a number n which added to its sum of digits gives 3697998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3697997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4198 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (469200).

Almost surely, 2^3697998 is an apocalyptic number.

3697998 is an abundant number, since it is smaller than the sum of its proper divisors (3809202).

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

3697998 is a wasteful number, since it uses less digits than its factorization.

3697998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271.

The product of its digits is 734832, while the sum is 51.

The square root of 3697998 is about 1923.0179406339. The cubic root of 3697998 is about 154.6401363614.

The spelling of 3697998 in words is "three million, six hundred ninety-seven thousand, nine hundred ninety-eight".