89123240 has 16 divisors (see below), whose sum is σ = 200527380. Its totient is φ = 35649280.

The previous prime is 89123239. The next prime is 89123249. The reversal of 89123240 is 4232198.

It can be written as a sum of positive squares in 2 ways, for example, as 74269924 + 14853316 = 8618^2 + 3854^2 .

It is not an unprimeable number, because it can be changed into a prime (89123249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114001 + ... + 1114080.

Almost surely, 2^89123240 is an apocalyptic number.

It is an amenable number.

89123240 is an abundant number, since it is smaller than the sum of its proper divisors (111404140).

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

89123240 is a wasteful number, since it uses less digits than its factorization.

89123240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228092 (or 2228088 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 89123240 is about 9440.5105794125. The cubic root of 89123240 is about 446.6804951042.

The spelling of 89123240 in words is "eighty-nine million, one hundred twenty-three thousand, two hundred forty".