90344392 has 32 divisors (see below), whose sum is σ = 188805600. Its totient is φ = 40276224.

The previous prime is 90344389. The next prime is 90344413. The reversal of 90344392 is 29344309.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14898 + ... + 20065.

It is an arithmetic number, because the mean of its divisors is an integer number (5900175).

Almost surely, 2^90344392 is an apocalyptic number.

It is an amenable number.

90344392 is an abundant number, since it is smaller than the sum of its proper divisors (98461208).

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

90344392 is a wasteful number, since it uses less digits than its factorization.

90344392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35005 (or 35001 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 90344392 is about 9504.9667016776. The cubic root of 90344392 is about 448.7113618862.

The spelling of 90344392 in words is "ninety million, three hundred forty-four thousand, three hundred ninety-two".