4394594788 has 12 divisors (see below), whose sum is σ = 7700052780. Its totient is φ = 2194579712.

The previous prime is 4394594777. The next prime is 4394594803. The reversal of 4394594788 is 8874954934.

It can be written as a sum of positive squares in 2 ways, for example, as 3076033444 + 1318561344 = 55462^2 + 36312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675781 + ... + 682252.

It is an arithmetic number, because the mean of its divisors is an integer number (641671065).

Almost surely, 2^4394594788 is an apocalyptic number.

It is an amenable number.

4394594788 is a deficient number, since it is larger than the sum of its proper divisors (3305457992).

4394594788 is a wasteful number, since it uses less digits than its factorization.

4394594788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358846 (or 1358844 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The square root of 4394594788 is about 66291.7399681137. The cubic root of 4394594788 is about 1637.9712654660.

The spelling of 4394594788 in words is "four billion, three hundred ninety-four million, five hundred ninety-four thousand, seven hundred eighty-eight".