498190091 has 16 divisors (see below), whose sum is σ = 583524864. Its totient is φ = 416522304.

The previous prime is 498190081. The next prime is 498190093. The reversal of 498190091 is 190091894.

It is a cyclic number.

It is not a de Polignac number, because 498190091 - 2¹⁴ = 498173707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498190093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43151 + ... + 53463.

It is an arithmetic number, because the mean of its divisors is an integer number (36470304).

Almost surely, 2^498190091 is an apocalyptic number.

498190091 is a deficient number, since it is larger than the sum of its proper divisors (85334773).

498190091 is a wasteful number, since it uses less digits than its factorization.

498190091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 498190091 is about 22320.1722887616. The cubic root of 498190091 is about 792.7416842908.

The spelling of 498190091 in words is "four hundred ninety-eight million, one hundred ninety thousand, ninety-one".