494075904 has 136 divisors (see below), whose sum is σ = 1509937920. Its totient is φ = 140771328.

The previous prime is 494075887. The next prime is 494075921. The reversal of 494075904 is 409570494.

It is an interprime number because it is at equal distance from previous prime (494075887) and next prime (494075921).

It is a super-2 number, since 2×494075904² = 488221997826834432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376077 + ... + 1376435.

Almost surely, 2^494075904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494075904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754968960).

494075904 is an abundant number, since it is smaller than the sum of its proper divisors (1015862016).

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

494075904 is an frugal number, since it uses more digits than its factorization.

494075904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 494075904 is about 22227.8182465126. The cubic root of 494075904 is about 790.5534251713.

The spelling of 494075904 in words is "four hundred ninety-four million, seventy-five thousand, nine hundred four".