494455394 has 16 divisors (see below), whose sum is σ = 792011520. Its totient is φ = 231001680.

The previous prime is 494455393. The next prime is 494455433. The reversal of 494455394 is 493554494.

It is a super-2 number, since 2×494455394² = 488972273311390472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494455393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135704 + ... + 139299.

It is an arithmetic number, because the mean of its divisors is an integer number (49500720).

Almost surely, 2^494455394 is an apocalyptic number.

494455394 is a deficient number, since it is larger than the sum of its proper divisors (297556126).

494455394 is a wasteful number, since it uses less digits than its factorization.

494455394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275065.

The product of its digits is 1555200, while the sum is 47.

The square root of 494455394 is about 22236.3529833469. The cubic root of 494455394 is about 790.7557762270.

The spelling of 494455394 in words is "four hundred ninety-four million, four hundred fifty-five thousand, three hundred ninety-four".