90267380 has 24 divisors (see below), whose sum is σ = 216642048. Its totient is φ = 30948768.

The previous prime is 90267379. The next prime is 90267389. The reversal of 90267380 is 8376209.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 90267380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90267389) 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, 322244 + ... + 322523.

It is an arithmetic number, because the mean of its divisors is an integer number (9026752).

Almost surely, 2^90267380 is an apocalyptic number.

It is an amenable number.

90267380 is an abundant number, since it is smaller than the sum of its proper divisors (126374668).

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

90267380 is a wasteful number, since it uses less digits than its factorization.

90267380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644783 (or 644781 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 90267380 is about 9500.9146928072. The cubic root of 90267380 is about 448.5838277465.

The spelling of 90267380 in words is "ninety million, two hundred sixty-seven thousand, three hundred eighty".