90333442 has 16 divisors (see below), whose sum is σ = 141848064. Its totient is φ = 43092000.

The previous prime is 90333437. The next prime is 90333479. The reversal of 90333442 is 24433309.

It is a self number, because there is not a number n which added to its sum of digits gives 90333442.

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, 5859 + ... + 14662.

It is an arithmetic number, because the mean of its divisors is an integer number (8865504).

Almost surely, 2^90333442 is an apocalyptic number.

90333442 is a deficient number, since it is larger than the sum of its proper divisors (51514622).

90333442 is a wasteful number, since it uses less digits than its factorization.

90333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20625.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 90333442 is about 9504.3906695800. The cubic root of 90333442 is about 448.6932327848.

The spelling of 90333442 in words is "ninety million, three hundred thirty-three thousand, four hundred forty-two".