90233480 has 16 divisors (see below), whose sum is σ = 203025420. Its totient is φ = 36093376.

The previous prime is 90233461. The next prime is 90233503. The reversal of 90233480 is 8433209.

It can be written as a sum of positive squares in 2 ways, for example, as 84309124 + 5924356 = 9182^2 + 2434^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127879 + ... + 1127958.

Almost surely, 2^90233480 is an apocalyptic number.

It is an amenable number.

90233480 is an abundant number, since it is smaller than the sum of its proper divisors (112791940).

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

90233480 is a wasteful number, since it uses less digits than its factorization.

90233480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255848 (or 2255844 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 90233480 is about 9499.1304865235. The cubic root of 90233480 is about 448.5276653549.

Adding to 90233480 its reverse (8433209), we get a palindrome (98666689).

The spelling of 90233480 in words is "ninety million, two hundred thirty-three thousand, four hundred eighty".