90470212 has 24 divisors (see below), whose sum is σ = 182637504. Its totient is φ = 38409312.

The previous prime is 90470203. The next prime is 90470213. The reversal of 90470212 is 21207409.

It is not an unprimeable number, because it can be changed into a prime (90470213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12103 + ... + 18094.

It is an arithmetic number, because the mean of its divisors is an integer number (7609896).

Almost surely, 2^90470212 is an apocalyptic number.

It is an amenable number.

90470212 is an abundant number, since it is smaller than the sum of its proper divisors (92167292).

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

90470212 is a wasteful number, since it uses less digits than its factorization.

90470212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30315 (or 30313 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 90470212 is about 9511.5830438471. The cubic root of 90470212 is about 448.9195676713.

The spelling of 90470212 in words is "ninety million, four hundred seventy thousand, two hundred twelve".