90465912 has 96 divisors (see below), whose sum is σ = 252888480. Its totient is φ = 29203200.

The previous prime is 90465911. The next prime is 90465913. The reversal of 90465912 is 21956409.

It is an interprime number because it is at equal distance from previous prime (90465911) and next prime (90465913).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90465911) by changing a digit.

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, 576138 + ... + 576294.

It is an arithmetic number, because the mean of its divisors is an integer number (2634255).

Almost surely, 2^90465912 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 90465912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126444240).

90465912 is an abundant number, since it is smaller than the sum of its proper divisors (162422568).

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

90465912 is a wasteful number, since it uses less digits than its factorization.

90465912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 90465912 is about 9511.3570009752. The cubic root of 90465912 is about 448.9124552576.

The spelling of 90465912 in words is "ninety million, four hundred sixty-five thousand, nine hundred twelve".