490009394 has 32 divisors (see below), whose sum is σ = 893223936. Its totient is φ = 196807680.

The previous prime is 490009379. The next prime is 490009397. The reversal of 490009394 is 493900094.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490009397) 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, 53087 + ... + 61629.

It is an arithmetic number, because the mean of its divisors is an integer number (27913248).

Almost surely, 2^490009394 is an apocalyptic number.

490009394 is a deficient number, since it is larger than the sum of its proper divisors (403214542).

490009394 is a wasteful number, since it uses less digits than its factorization.

490009394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 490009394 is about 22136.1558089927. The cubic root of 490009394 is about 788.3785543605.

The spelling of 490009394 in words is "four hundred ninety million, nine thousand, three hundred ninety-four".