369018216 has 72 divisors (see below), whose sum is σ = 1162606770. Its totient is φ = 105432768.

The previous prime is 369018211. The next prime is 369018239. The reversal of 369018216 is 612810963.

It can be written as a sum of positive squares in only one way, i.e., 336869316 + 32148900 = 18354^2 + 5670^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (369018211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48771 + ... + 55826.

Almost surely, 2^369018216 is an apocalyptic number.

369018216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

369018216 is an abundant number, since it is smaller than the sum of its proper divisors (793588554).

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

369018216 is a wasteful number, since it uses less digits than its factorization.

369018216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104623 (or 104609 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 369018216 is about 19209.8468499882. The cubic root of 369018216 is about 717.2698925006.

The spelling of 369018216 in words is "three hundred sixty-nine million, eighteen thousand, two hundred sixteen".