90239016 has 64 divisors (see below), whose sum is σ = 266158080. Its totient is φ = 24949440.

The previous prime is 90238997. The next prime is 90239027. The reversal of 90239016 is 61093209.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3456 + ... + 13871.

It is an arithmetic number, because the mean of its divisors is an integer number (4158720).

Almost surely, 2^90239016 is an apocalyptic number.

It is an amenable number.

90239016 is an abundant number, since it is smaller than the sum of its proper divisors (175919064).

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

90239016 is a wasteful number, since it uses less digits than its factorization.

90239016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17374 (or 17370 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 90239016 is about 9499.4218771460. The cubic root of 90239016 is about 448.5368378497.

The spelling of 90239016 in words is "ninety million, two hundred thirty-nine thousand, sixteen".