89709450 has 48 divisors (see below), whose sum is σ = 234196320. Its totient is φ = 22662720.

The previous prime is 89709439. The next prime is 89709463. The reversal of 89709450 is 5490798.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12889 + ... + 18588.

It is an arithmetic number, because the mean of its divisors is an integer number (4879090).

Almost surely, 2^89709450 is an apocalyptic number.

89709450 is an abundant number, since it is smaller than the sum of its proper divisors (144486870).

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

89709450 is a wasteful number, since it uses less digits than its factorization.

89709450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31511 (or 31506 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 89709450 is about 9471.5072718127. The cubic root of 89709450 is about 447.6577058254.

The spelling of 89709450 in words is "eighty-nine million, seven hundred nine thousand, four hundred fifty".