90442034 has 16 divisors (see below), whose sum is σ = 138098688. Its totient is φ = 44416512.

The previous prime is 90442013. The next prime is 90442043. The reversal of 90442034 is 43024409.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 90441994 and 90442012.

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, 24434 + ... + 27890.

It is an arithmetic number, because the mean of its divisors is an integer number (8631168).

Almost surely, 2^90442034 is an apocalyptic number.

90442034 is a deficient number, since it is larger than the sum of its proper divisors (47656654).

90442034 is a wasteful number, since it uses less digits than its factorization.

90442034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 90442034 is about 9510.1016818959. The cubic root of 90442034 is about 448.8729557577.

The spelling of 90442034 in words is "ninety million, four hundred forty-two thousand, thirty-four".