360390990 has 128 divisors (see below), whose sum is σ = 951782400. Its totient is φ = 86980608.

The previous prime is 360390929. The next prime is 360390991. The reversal of 360390990 is 99093063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360390991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1810911 + ... + 1811109.

It is an arithmetic number, because the mean of its divisors is an integer number (7435800).

Almost surely, 2^360390990 is an apocalyptic number.

360390990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 360390990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475891200).

360390990 is an abundant number, since it is smaller than the sum of its proper divisors (591391410).

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

360390990 is a wasteful number, since it uses less digits than its factorization.

360390990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 360390990 is about 18983.9666561022. The cubic root of 360390990 is about 711.6361065538.

The spelling of 360390990 in words is "three hundred sixty million, three hundred ninety thousand, nine hundred ninety".