32990380 has 24 divisors (see below), whose sum is σ = 70589232. Its totient is φ = 12946752.

The previous prime is 32990357. The next prime is 32990389. The reversal of 32990380 is 8309923.

It is not an unprimeable number, because it can be changed into a prime (32990389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14502 + ... + 16621.

It is an arithmetic number, because the mean of its divisors is an integer number (2941218).

Almost surely, 2^32990380 is an apocalyptic number.

It is an amenable number.

32990380 is an abundant number, since it is smaller than the sum of its proper divisors (37598852).

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

32990380 is a wasteful number, since it uses less digits than its factorization.

32990380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31185 (or 31183 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 32990380 is about 5743.7252719816. The cubic root of 32990380 is about 320.7222618086.

It can be divided in two parts, 329 and 90380, that added together give a palindrome (90709).

The spelling of 32990380 in words is "thirty-two million, nine hundred ninety thousand, three hundred eighty".