90828499 has 4 divisors (see below), whose sum is σ = 91225360. Its totient is φ = 90431640.

The previous prime is 90828497. The next prime is 90828533. The reversal of 90828499 is 99482809.

It is a happy number.

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 90828499 - 2¹ = 90828497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90828497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198087 + ... + 198544.

It is an arithmetic number, because the mean of its divisors is an integer number (22806340).

Almost surely, 2^90828499 is an apocalyptic number.

90828499 is a deficient number, since it is larger than the sum of its proper divisors (396861).

90828499 is a wasteful number, since it uses less digits than its factorization.

90828499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396860.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 90828499 is about 9530.3986800133. The cubic root of 90828499 is about 449.5114021960.

The spelling of 90828499 in words is "ninety million, eight hundred twenty-eight thousand, four hundred ninety-nine".