90212914 has 48 divisors (see below), whose sum is σ = 162152928. Its totient is φ = 37200000.

The previous prime is 90212909. The next prime is 90212917. The reversal of 90212914 is 41921209.

It is a happy number.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90212917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359289 + ... + 359539.

It is an arithmetic number, because the mean of its divisors is an integer number (3378186).

Almost surely, 2^90212914 is an apocalyptic number.

90212914 is a deficient number, since it is larger than the sum of its proper divisors (71940014).

90212914 is a wasteful number, since it uses less digits than its factorization.

90212914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 90212914 is about 9498.0479047013. The cubic root of 90212914 is about 448.4935866484.

It can be divided in two parts, 9021 and 2914, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 90212914 in words is "ninety million, two hundred twelve thousand, nine hundred fourteen".