90029499 has 16 divisors (see below), whose sum is σ = 137399808. Its totient is φ = 51365952.

The previous prime is 90029461. The next prime is 90029503. The reversal of 90029499 is 99492009.

It is not a de Polignac number, because 90029499 - 2⁸ = 90029243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90029499.

It is not an unprimeable number, because it can be changed into a prime (90029419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12319 + ... + 18215.

It is an arithmetic number, because the mean of its divisors is an integer number (8587488).

Almost surely, 2^90029499 is an apocalyptic number.

90029499 is a deficient number, since it is larger than the sum of its proper divisors (47370309).

90029499 is a wasteful number, since it uses less digits than its factorization.

90029499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 90029499 is about 9488.3875869402. The cubic root of 90029499 is about 448.1894311439.

The spelling of 90029499 in words is "ninety million, twenty-nine thousand, four hundred ninety-nine".