90472182 has 16 divisors (see below), whose sum is σ = 181129152. Its totient is φ = 30126600.

The previous prime is 90472169. The next prime is 90472183. The reversal of 90472182 is 28127409.

It is a happy number.

It is a super-2 number, since 2×90472182² = 16370431431682248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90472183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (11320572).

Almost surely, 2^90472182 is an apocalyptic number.

90472182 is an abundant number, since it is smaller than the sum of its proper divisors (90656970).

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

90472182 is a wasteful number, since it uses less digits than its factorization.

90472182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 90472182 is about 9511.6866012290. The cubic root of 90472182 is about 448.9228260739.

The spelling of 90472182 in words is "ninety million, four hundred seventy-two thousand, one hundred eighty-two".