90426957 has 8 divisors (see below), whose sum is σ = 122844384. Its totient is φ = 59147088.

The previous prime is 90426953. The next prime is 90426971. The reversal of 90426957 is 75962409.

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

It is not a de Polignac number, because 90426957 - 2² = 90426953 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90426953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284203 + ... + 284520.

It is an arithmetic number, because the mean of its divisors is an integer number (15355548).

Almost surely, 2^90426957 is an apocalyptic number.

It is an amenable number.

90426957 is a deficient number, since it is larger than the sum of its proper divisors (32417427).

90426957 is a wasteful number, since it uses less digits than its factorization.

90426957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568779.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 90426957 is about 9509.3089654296. The cubic root of 90426957 is about 448.8480114800.

The spelling of 90426957 in words is "ninety million, four hundred twenty-six thousand, nine hundred fifty-seven".