494022738 has 16 divisors (see below), whose sum is σ = 1077867936. Its totient is φ = 149703840.

The previous prime is 494022733. The next prime is 494022751. The reversal of 494022738 is 837220494.

It is a super-2 number, since 2×494022738² = 488116931322033288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 494022696 and 494022705.

It is not an unprimeable number, because it can be changed into a prime (494022733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3742531 + ... + 3742662.

It is an arithmetic number, because the mean of its divisors is an integer number (67366746).

Almost surely, 2^494022738 is an apocalyptic number.

494022738 is an abundant number, since it is smaller than the sum of its proper divisors (583845198).

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

494022738 is a wasteful number, since it uses less digits than its factorization.

494022738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485209.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 494022738 is about 22226.6222804996. The cubic root of 494022738 is about 790.5250678071.

The spelling of 494022738 in words is "four hundred ninety-four million, twenty-two thousand, seven hundred thirty-eight".