88091424 has 36 divisors (see below), whose sum is σ = 250510806. Its totient is φ = 29363712.

The previous prime is 88091417. The next prime is 88091431. The reversal of 88091424 is 42419088.

It is an interprime number because it is at equal distance from previous prime (88091417) and next prime (88091431).

It can be written as a sum of positive squares in only one way, i.e., 45319824 + 42771600 = 6732^2 + 6540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152649 + ... + 153224.

Almost surely, 2^88091424 is an apocalyptic number.

It is an amenable number.

88091424 is an abundant number, since it is smaller than the sum of its proper divisors (162419382).

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

88091424 is a wasteful number, since it uses less digits than its factorization.

88091424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305889 (or 305878 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 88091424 is about 9385.7031702478. The cubic root of 88091424 is about 444.9499990111.

The spelling of 88091424 in words is "eighty-eight million, ninety-one thousand, four hundred twenty-four".