90810460 has 72 divisors (see below), whose sum is σ = 210104496. Its totient is φ = 32947200.

The previous prime is 90810457. The next prime is 90810493. The reversal of 90810460 is 6401809.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226260 + ... + 226660.

It is an arithmetic number, because the mean of its divisors is an integer number (2918118).

Almost surely, 2^90810460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90810460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105052248).

90810460 is an abundant number, since it is smaller than the sum of its proper divisors (119294036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90810460 is a wasteful number, since it uses less digits than its factorization.

90810460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 90810460 is about 9529.4522402917. The cubic root of 90810460 is about 449.4816418119.

The spelling of 90810460 in words is "ninety million, eight hundred ten thousand, four hundred sixty".