90431463 has 12 divisors (see below), whose sum is σ = 122599464. Its totient is φ = 59292000.

The previous prime is 90431447. The next prime is 90431477. The reversal of 90431463 is 36413409.

It is not a de Polignac number, because 90431463 - 2⁴ = 90431447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90431463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90431863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7113 + ... + 15213.

It is an arithmetic number, because the mean of its divisors is an integer number (10216622).

Almost surely, 2^90431463 is an apocalyptic number.

90431463 is a deficient number, since it is larger than the sum of its proper divisors (32168001).

90431463 is an equidigital number, since it uses as much as digits as its factorization.

90431463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226 (or 8165 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 90431463 is about 9509.5458882115. The cubic root of 90431463 is about 448.8554667625.

The spelling of 90431463 in words is "ninety million, four hundred thirty-one thousand, four hundred sixty-three".