4392794394 has 24 divisors (see below), whose sum is σ = 9605044020. Its totient is φ = 1450830528.

The previous prime is 4392794381. The next prime is 4392794467. The reversal of 4392794394 is 4934972934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4350062025 + 42732369 = 65955^2 + 6537^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4392794394.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117507 + ... + 1121430.

Almost surely, 2^4392794394 is an apocalyptic number.

4392794394 is an abundant number, since it is smaller than the sum of its proper divisors (5212249626).

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

4392794394 is a wasteful number, since it uses less digits than its factorization.

4392794394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239054 (or 2239051 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 4392794394 is about 66278.1592532563. The cubic root of 4392794394 is about 1637.7475515181.

The spelling of 4392794394 in words is "four billion, three hundred ninety-two million, seven hundred ninety-four thousand, three hundred ninety-four".