90867792 has 40 divisors (see below), whose sum is σ = 236061280. Its totient is φ = 30119040.

The previous prime is 90867769. The next prime is 90867793. The reversal of 90867792 is 29776809.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90867793) 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, 3459 + ... + 13917.

It is an arithmetic number, because the mean of its divisors is an integer number (5901532).

Almost surely, 2^90867792 is an apocalyptic number.

It is an amenable number.

90867792 is an abundant number, since it is smaller than the sum of its proper divisors (145193488).

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

90867792 is a wasteful number, since it uses less digits than its factorization.

90867792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10651 (or 10645 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 90867792 is about 9532.4599133697. The cubic root of 90867792 is about 449.5762133707.

The spelling of 90867792 in words is "ninety million, eight hundred sixty-seven thousand, seven hundred ninety-two".