499408254 has 48 divisors (see below), whose sum is σ = 1125476352. Its totient is φ = 165972888.

The previous prime is 499408219. The next prime is 499408271. The reversal of 499408254 is 452804994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184797 + ... + 187479.

It is an arithmetic number, because the mean of its divisors is an integer number (23447424).

Almost surely, 2^499408254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499408254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562738176).

499408254 is an abundant number, since it is smaller than the sum of its proper divisors (626068098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499408254 is a wasteful number, since it uses less digits than its factorization.

499408254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 499408254 is about 22347.4440149204. Note that the first 3 decimals coincide. The cubic root of 499408254 is about 793.3872896397.

The spelling of 499408254 in words is "four hundred ninety-nine million, four hundred eight thousand, two hundred fifty-four".