498138971 has 12 divisors (see below), whose sum is σ = 560901432. Its totient is φ = 441804000.

The previous prime is 498138967. The next prime is 498139001. The reversal of 498138971 is 179831894.

It is not a de Polignac number, because 498138971 - 2² = 498138967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498138931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45245 + ... + 55166.

It is an arithmetic number, because the mean of its divisors is an integer number (46741786).

Almost surely, 2^498138971 is an apocalyptic number.

498138971 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

498138971 is a deficient number, since it is larger than the sum of its proper divisors (62762461).

498138971 is a wasteful number, since it uses less digits than its factorization.

498138971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100474 (or 100463 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 498138971 is about 22319.0271069328. The cubic root of 498138971 is about 792.7145685761.

The spelling of 498138971 in words is "four hundred ninety-eight million, one hundred thirty-eight thousand, nine hundred seventy-one".