90238514 has 4 divisors (see below), whose sum is σ = 135357774. Its totient is φ = 45119256.

The previous prime is 90238507. The next prime is 90238529. The reversal of 90238514 is 41583209.

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., 79512889 + 10725625 = 8917^2 + 3275^2 .

It is an unprimeable number.

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, 22559627 + ... + 22559630.

Almost surely, 2^90238514 is an apocalyptic number.

90238514 is a deficient number, since it is larger than the sum of its proper divisors (45119260).

90238514 is a wasteful number, since it uses less digits than its factorization.

90238514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45119259.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 90238514 is about 9499.3954544487. The cubic root of 90238514 is about 448.5360061108.

The spelling of 90238514 in words is "ninety million, two hundred thirty-eight thousand, five hundred fourteen".