90832431 has 8 divisors (see below), whose sum is σ = 122309424. Its totient is φ = 59955200.

The previous prime is 90832429. The next prime is 90832433. The reversal of 90832431 is 13423809.

It is an interprime number because it is at equal distance from previous prime (90832429) and next prime (90832433).

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 90832431 - 2¹ = 90832429 is a prime.

It is a super-2 number, since 2×90832431² = 16501061042739522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90832433) 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, 149586 + ... + 150191.

It is an arithmetic number, because the mean of its divisors is an integer number (15288678).

Almost surely, 2^90832431 is an apocalyptic number.

90832431 is a deficient number, since it is larger than the sum of its proper divisors (31476993).

90832431 is a wasteful number, since it uses less digits than its factorization.

90832431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299881.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 90832431 is about 9530.6049650586. The cubic root of 90832431 is about 449.5178886085.

The spelling of 90832431 in words is "ninety million, eight hundred thirty-two thousand, four hundred thirty-one".