90023260 has 24 divisors (see below), whose sum is σ = 189463680. Its totient is φ = 35930304.

The previous prime is 90023237. The next prime is 90023261. The reversal of 90023260 is 6232009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90023261) 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, 4882 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (7894320).

Almost surely, 2^90023260 is an apocalyptic number.

It is an amenable number.

90023260 is an abundant number, since it is smaller than the sum of its proper divisors (99440420).

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

90023260 is a wasteful number, since it uses less digits than its factorization.

90023260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9885 (or 9883 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 90023260 is about 9488.0588109476. The cubic root of 90023260 is about 448.1790778023.

Adding to 90023260 its reverse (6232009), we get a palindrome (96255269).

The spelling of 90023260 in words is "ninety million, twenty-three thousand, two hundred sixty".