90162349 has 2 divisors, whose sum is σ = 90162350. Its totient is φ = 90162348.

The previous prime is 90162337. The next prime is 90162367. The reversal of 90162349 is 94326109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86359849 + 3802500 = 9293^2 + 1950^2 .

It is a cyclic number.

It is not a de Polignac number, because 90162349 - 2⁷ = 90162221 is a prime.

It is equal to p_5225884 and since 90162349 and 5225884 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90162329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45081174 + 45081175.

It is an arithmetic number, because the mean of its divisors is an integer number (45081175).

Almost surely, 2^90162349 is an apocalyptic number.

It is an amenable number.

90162349 is a deficient number, since it is larger than the sum of its proper divisors (1).

90162349 is an equidigital number, since it uses as much as digits as its factorization.

90162349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 90162349 is about 9495.3856688394. The cubic root of 90162349 is about 448.4097763393.

The spelling of 90162349 in words is "ninety million, one hundred sixty-two thousand, three hundred forty-nine".