90830212 has 12 divisors (see below), whose sum is σ = 173403216. Its totient is φ = 41286440.

The previous prime is 90830189. The next prime is 90830213. The reversal of 90830212 is 21203809.

It is not an unprimeable number, because it can be changed into a prime (90830213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032118 + ... + 1032205.

It is an arithmetic number, because the mean of its divisors is an integer number (14450268).

Almost surely, 2^90830212 is an apocalyptic number.

It is an amenable number.

90830212 is a deficient number, since it is larger than the sum of its proper divisors (82573004).

90830212 is a wasteful number, since it uses less digits than its factorization.

90830212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064338 (or 2064336 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 90830212 is about 9530.4885499118. The cubic root of 90830212 is about 449.5142280646.

The spelling of 90830212 in words is "ninety million, eight hundred thirty thousand, two hundred twelve".