89686290 has 32 divisors (see below), whose sum is σ = 217229760. Its totient is φ = 23696064.

The previous prime is 89686249. The next prime is 89686307. The reversal of 89686290 is 9268698.

It is a super-2 number, since 2×89686290² = 16087261227928200, which contains 22 as substring.

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, 10444 + ... + 16983.

It is an arithmetic number, because the mean of its divisors is an integer number (6788430).

Almost surely, 2^89686290 is an apocalyptic number.

89686290 is an abundant number, since it is smaller than the sum of its proper divisors (127543470).

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

89686290 is a wasteful number, since it uses less digits than its factorization.

89686290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27546.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 89686290 is about 9470.2845786175. The cubic root of 89686290 is about 447.6191790600.

The spelling of 89686290 in words is "eighty-nine million, six hundred eighty-six thousand, two hundred ninety".