90683431 has 8 divisors (see below), whose sum is σ = 95057424. Its totient is φ = 86412480.

The previous prime is 90683419. The next prime is 90683441. The reversal of 90683431 is 13438609.

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

It is a cyclic number.

It is not a de Polignac number, because 90683431 - 2⁵ = 90683399 is a prime.

It is a super-2 number, since 2×90683431² = 16446969315863522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90683441) 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, 23956 + ... + 27481.

It is an arithmetic number, because the mean of its divisors is an integer number (11882178).

Almost surely, 2^90683431 is an apocalyptic number.

90683431 is a deficient number, since it is larger than the sum of its proper divisors (4373993).

90683431 is a wasteful number, since it uses less digits than its factorization.

90683431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51521.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 90683431 is about 9522.7848342804. The cubic root of 90683431 is about 449.2719602128.

The spelling of 90683431 in words is "ninety million, six hundred eighty-three thousand, four hundred thirty-one".