890144532 has 24 divisors (see below), whose sum is σ = 2307782400. Its totient is φ = 296714808.

The previous prime is 890144527. The next prime is 890144533. The reversal of 890144532 is 235441098.

890144532 is a `hidden beast` number, since 89 + 0 + 1 + 44 + 532 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890144533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4120932 + ... + 4121147.

It is an arithmetic number, because the mean of its divisors is an integer number (96157600).

Almost surely, 2^890144532 is an apocalyptic number.

It is an amenable number.

890144532 is an abundant number, since it is smaller than the sum of its proper divisors (1417637868).

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

890144532 is a wasteful number, since it uses less digits than its factorization.

890144532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242092 (or 8242084 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 890144532 is about 29835.2900438390. The cubic root of 890144532 is about 961.9522382109.

The spelling of 890144532 in words is "eight hundred ninety million, one hundred forty-four thousand, five hundred thirty-two".