90967280 has 20 divisors (see below), whose sum is σ = 211499112. Its totient is φ = 36386880.

The previous prime is 90967249. The next prime is 90967297. The reversal of 90967280 is 8276909.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568466 + ... + 568625.

Almost surely, 2^90967280 is an apocalyptic number.

It is an amenable number.

90967280 is an abundant number, since it is smaller than the sum of its proper divisors (120531832).

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

90967280 is a wasteful number, since it uses less digits than its factorization.

90967280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137104 (or 1137098 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 90967280 is about 9537.6768659879. The cubic root of 90967280 is about 449.7402286716.

The spelling of 90967280 in words is "ninety million, nine hundred sixty-seven thousand, two hundred eighty".