3631698 has 96 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 933120.

The previous prime is 3631637. The next prime is 3631703. The reversal of 3631698 is 8961363.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88558 + ... + 88598.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

Almost surely, 2^3631698 is an apocalyptic number.

3631698 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3631698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4979520).

3631698 is an abundant number, since it is smaller than the sum of its proper divisors (6327342).

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

3631698 is a wasteful number, since it uses less digits than its factorization.

3631698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 109 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3631698 is about 1905.7014456625. The cubic root of 3631698 is about 153.7103963036.

The spelling of 3631698 in words is "three million, six hundred thirty-one thousand, six hundred ninety-eight".