90902114 has 4 divisors (see below), whose sum is σ = 136353174. Its totient is φ = 45451056.

The previous prime is 90902113. The next prime is 90902131. The reversal of 90902114 is 41120909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90878089 + 24025 = 9533^2 + 155^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90902113) 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 as a sum of consecutive naturals, namely, 22725527 + ... + 22725530.

Almost surely, 2^90902114 is an apocalyptic number.

90902114 is a deficient number, since it is larger than the sum of its proper divisors (45451060).

90902114 is a wasteful number, since it uses less digits than its factorization.

90902114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45451059.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 90902114 is about 9534.2600132365. The cubic root of 90902114 is about 449.6328099275.

The spelling of 90902114 in words is "ninety million, nine hundred two thousand, one hundred fourteen".