901989318 has 32 divisors (see below), whose sum is σ = 1901802240. Its totient is φ = 284407200.

The previous prime is 901989311. The next prime is 901989329. The reversal of 901989318 is 813989109.

901989318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×901989318² = 1627169459572210248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901989311) 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, 74271 + ... + 85557.

It is an arithmetic number, because the mean of its divisors is an integer number (59431320).

Almost surely, 2^901989318 is an apocalyptic number.

901989318 is an abundant number, since it is smaller than the sum of its proper divisors (999812922).

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

901989318 is a wasteful number, since it uses less digits than its factorization.

901989318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12012.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 901989318 is about 30033.1369989883. The cubic root of 901989318 is about 966.2002186910.

The spelling of 901989318 in words is "nine hundred one million, nine hundred eighty-nine thousand, three hundred eighteen".