4390847994 has 32 divisors (see below), whose sum is σ = 9463164480. Its totient is φ = 1350179712.

The previous prime is 4390847969. The next prime is 4390848013. The reversal of 4390847994 is 4997480934.

It is a super-2 number, since 2×4390847994² = 38559092212827648072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113142 + ... + 146910.

It is an arithmetic number, because the mean of its divisors is an integer number (295723890).

Almost surely, 2^4390847994 is an apocalyptic number.

4390847994 is an abundant number, since it is smaller than the sum of its proper divisors (5072316486).

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

4390847994 is a wasteful number, since it uses less digits than its factorization.

4390847994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35454.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The square root of 4390847994 is about 66263.4740562250. The cubic root of 4390847994 is about 1637.5056263350.

The spelling of 4390847994 in words is "four billion, three hundred ninety million, eight hundred forty-seven thousand, nine hundred ninety-four".