890009212 has 12 divisors (see below), whose sum is σ = 1558259920. Its totient is φ = 444792096.

The previous prime is 890009207. The next prime is 890009233. The reversal of 890009212 is 212900098.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43512 + ... + 60607.

Almost surely, 2^890009212 is an apocalyptic number.

It is an amenable number.

890009212 is a deficient number, since it is larger than the sum of its proper divisors (668250708).

890009212 is a wasteful number, since it uses less digits than its factorization.

890009212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106260 (or 106258 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 890009212 is about 29833.0221734239. The cubic root of 890009212 is about 961.9034903320.

The spelling of 890009212 in words is "eight hundred ninety million, nine thousand, two hundred twelve".