90214307 has 4 divisors (see below), whose sum is σ = 90365016. Its totient is φ = 90063600.

The previous prime is 90214297. The next prime is 90214339. The reversal of 90214307 is 70341209.

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

It is a cyclic number.

It is not a de Polignac number, because 90214307 - 2⁸ = 90214051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90217307) 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 3 ways as a sum of consecutive naturals, for example, 74453 + ... + 75654.

It is an arithmetic number, because the mean of its divisors is an integer number (22591254).

Almost surely, 2^90214307 is an apocalyptic number.

90214307 is a deficient number, since it is larger than the sum of its proper divisors (150709).

90214307 is a wasteful number, since it uses less digits than its factorization.

90214307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150708.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 90214307 is about 9498.1212352760. The cubic root of 90214307 is about 448.4958950701.

The spelling of 90214307 in words is "ninety million, two hundred fourteen thousand, three hundred seven".