89121474 has 36 divisors (see below), whose sum is σ = 209099826. Its totient is φ = 27421056.

The previous prime is 89121451. The next prime is 89121479. The reversal of 89121474 is 47412198.

It can be written as a sum of positive squares in 3 ways, for example, as 53802225 + 35319249 = 7335^2 + 5943^2 .

It is not an unprimeable number, because it can be changed into a prime (89121479) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11607 + ... + 17690.

Almost surely, 2^89121474 is an apocalyptic number.

89121474 is an abundant number, since it is smaller than the sum of its proper divisors (119978352).

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

89121474 is a wasteful number, since it uses less digits than its factorization.

89121474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29331 (or 29315 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 89121474 is about 9440.4170458725. The cubic root of 89121474 is about 446.6775447216.

The spelling of 89121474 in words is "eighty-nine million, one hundred twenty-one thousand, four hundred seventy-four".