90328230 has 32 divisors (see below), whose sum is σ = 240876000. Its totient is φ = 24087456.

The previous prime is 90328213. The next prime is 90328247. The reversal of 90328230 is 3282309.

It is an interprime number because it is at equal distance from previous prime (90328213) and next prime (90328247).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 90328194 and 90328203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167005 + ... + 167544.

It is an arithmetic number, because the mean of its divisors is an integer number (7527375).

Almost surely, 2^90328230 is an apocalyptic number.

90328230 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90328230 is an abundant number, since it is smaller than the sum of its proper divisors (150547770).

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

90328230 is a wasteful number, since it uses less digits than its factorization.

90328230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334565 (or 334559 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 90328230 is about 9504.1164765590. The cubic root of 90328230 is about 448.6846031490.

The spelling of 90328230 in words is "ninety million, three hundred twenty-eight thousand, two hundred thirty".