90820498 has 8 divisors (see below), whose sum is σ = 136276992. Its totient is φ = 45394836.

The previous prime is 90820493. The next prime is 90820523. The reversal of 90820498 is 89402809.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90820498.

It is not an unprimeable number, because it can be changed into a prime (90820493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211 + ... + 13657.

It is an arithmetic number, because the mean of its divisors is an integer number (17034624).

Almost surely, 2^90820498 is an apocalyptic number.

90820498 is a deficient number, since it is larger than the sum of its proper divisors (45456494).

90820498 is a wasteful number, since it uses less digits than its factorization.

90820498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15416.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 90820498 is about 9529.9789086860. The cubic root of 90820498 is about 449.4982027914.

The spelling of 90820498 in words is "ninety million, eight hundred twenty thousand, four hundred ninety-eight".