90344242 has 8 divisors (see below), whose sum is σ = 137232000. Its totient is φ = 44600244.

The previous prime is 90344203. The next prime is 90344257. The reversal of 90344242 is 24244309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90344242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285742 + ... + 286057.

It is an arithmetic number, because the mean of its divisors is an integer number (17154000).

Almost surely, 2^90344242 is an apocalyptic number.

90344242 is a deficient number, since it is larger than the sum of its proper divisors (46887758).

90344242 is a wasteful number, since it uses less digits than its factorization.

90344242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571880.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 90344242 is about 9504.9588110628. The cubic root of 90344242 is about 448.7111135522.

The spelling of 90344242 in words is "ninety million, three hundred forty-four thousand, two hundred forty-two".