90280324 has 36 divisors (see below), whose sum is σ = 168639744. Its totient is φ = 42279408.

The previous prime is 90280303. The next prime is 90280327. The reversal of 90280324 is 42308209.

It is a junction number, because it is equal to n+sod(n) for n = 90280292 and 90280301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90280327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148429 + ... + 149035.

Almost surely, 2^90280324 is an apocalyptic number.

It is an amenable number.

90280324 is a deficient number, since it is larger than the sum of its proper divisors (78359420).

90280324 is a wasteful number, since it uses less digits than its factorization.

90280324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 90280324 is about 9501.5958659585. The cubic root of 90280324 is about 448.6052684616.

The spelling of 90280324 in words is "ninety million, two hundred eighty thousand, three hundred twenty-four".