369913986 has 32 divisors (see below), whose sum is σ = 885265920. Its totient is φ = 113819472.

The previous prime is 369913981. The next prime is 369913987. The reversal of 369913986 is 689319963.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (369913981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262770 + ... + 264173.

It is an arithmetic number, because the mean of its divisors is an integer number (27664560).

Almost surely, 2^369913986 is an apocalyptic number.

369913986 is an abundant number, since it is smaller than the sum of its proper divisors (515351934).

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

369913986 is a wasteful number, since it uses less digits than its factorization.

369913986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526967 (or 526961 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 369913986 is about 19233.1481042496. The cubic root of 369913986 is about 717.8498003386.

The spelling of 369913986 in words is "three hundred sixty-nine million, nine hundred thirteen thousand, nine hundred eighty-six".