369998664 has 96 divisors (see below), whose sum is σ = 1081193280. Its totient is φ = 103360896.

The previous prime is 369998639. The next prime is 369998669. The reversal of 369998664 is 466899963.

It is a happy number.

It is a super-2 number, since 2×369998664² = 273798022723569792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 369998598 and 369998607.

It is not an unprimeable number, because it can be changed into a prime (369998669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370614 + ... + 371610.

It is an arithmetic number, because the mean of its divisors is an integer number (11262430).

Almost surely, 2^369998664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 369998664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540596640).

369998664 is an abundant number, since it is smaller than the sum of its proper divisors (711194616).

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

369998664 is a wasteful number, since it uses less digits than its factorization.

369998664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107 (or 1056 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 60.

The square root of 369998664 is about 19235.3493339736. The cubic root of 369998664 is about 717.9045711322.

The spelling of 369998664 in words is "three hundred sixty-nine million, nine hundred ninety-eight thousand, six hundred sixty-four".