90532330 has 16 divisors (see below), whose sum is σ = 186238080. Its totient is φ = 31039632.

The previous prime is 90532297. The next prime is 90532349. The reversal of 90532330 is 3323509.

It is a super-2 number, since 2×90532330² = 16392205550457800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90532295 and 90532304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646590 + ... + 646729.

It is an arithmetic number, because the mean of its divisors is an integer number (11639880).

Almost surely, 2^90532330 is an apocalyptic number.

90532330 is an abundant number, since it is smaller than the sum of its proper divisors (95705750).

90532330 is a wasteful number, since it uses less digits than its factorization.

90532330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293333.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 90532330 is about 9514.8478705652. The cubic root of 90532330 is about 449.0222887962.

Adding to 90532330 its reverse (3323509), we get a palindrome (93855839).

The spelling of 90532330 in words is "ninety million, five hundred thirty-two thousand, three hundred thirty".