90763231 has 8 divisors (see below), whose sum is σ = 98394464. Its totient is φ = 83224800.

The previous prime is 90763229. The next prime is 90763249. The reversal of 90763231 is 13236709.

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 90763231 - 2¹ = 90763229 is a prime.

It is a super-2 number, since 2×90763231² = 16475928203118722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90763193 and 90763202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90763261) 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 7 ways as a sum of consecutive naturals, for example, 21156 + ... + 25081.

It is an arithmetic number, because the mean of its divisors is an integer number (12299308).

Almost surely, 2^90763231 is an apocalyptic number.

90763231 is a deficient number, since it is larger than the sum of its proper divisors (7631233).

90763231 is a wasteful number, since it uses less digits than its factorization.

90763231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46401.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 90763231 is about 9526.9738637198. The cubic root of 90763231 is about 449.4037056735.

The spelling of 90763231 in words is "ninety million, seven hundred sixty-three thousand, two hundred thirty-one".