90214339 has 2 divisors, whose sum is σ = 90214340. Its totient is φ = 90214338.

The previous prime is 90214297. The next prime is 90214343. The reversal of 90214339 is 93341209.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90214339 is a prime.

It is a super-2 number, since 2×90214339² = 16277253922413842, which contains 22 as substring.

It is equal to p_5228743 and since 90214339 and 5228743 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90214339.

It is not a weakly prime, because it can be changed into another prime (90214379) 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, 45107169 + 45107170.

It is an arithmetic number, because the mean of its divisors is an integer number (45107170).

Almost surely, 2^90214339 is an apocalyptic number.

90214339 is a deficient number, since it is larger than the sum of its proper divisors (1).

90214339 is an equidigital number, since it uses as much as digits as its factorization.

90214339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 90214339 is about 9498.1229198195. The cubic root of 90214339 is about 448.4959480989.

The spelling of 90214339 in words is "ninety million, two hundred fourteen thousand, three hundred thirty-nine".