498581379 has 16 divisors (see below), whose sum is σ = 739408800. Its totient is φ = 332041248.

The previous prime is 498581359. The next prime is 498581381. The reversal of 498581379 is 973185894.

498581379 is a `hidden beast` number, since 498 + 5 + 81 + 3 + 79 = 666.

It is not a de Polignac number, because 498581379 - 2²¹ = 496484227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498581309) 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, 18237 + ... + 36465.

It is an arithmetic number, because the mean of its divisors is an integer number (46213050).

Almost surely, 2^498581379 is an apocalyptic number.

498581379 is a deficient number, since it is larger than the sum of its proper divisors (240827421).

498581379 is a wasteful number, since it uses less digits than its factorization.

498581379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19251 (or 19245 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 498581379 is about 22328.9359128464. The cubic root of 498581379 is about 792.9491747911.

The spelling of 498581379 in words is "four hundred ninety-eight million, five hundred eighty-one thousand, three hundred seventy-nine".