8439394034 has 8 divisors (see below), whose sum is σ = 12676363500. Its totient is φ = 4213939536.

The previous prime is 8439394003. The next prime is 8439394037. The reversal of 8439394034 is 4304939348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7603316809 + 836077225 = 87197^2 + 28915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8439394034² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8439394034.

It is not an unprimeable number, because it can be changed into a prime (8439394037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876909 + ... + 2879840.

Almost surely, 2^8439394034 is an apocalyptic number.

8439394034 is a deficient number, since it is larger than the sum of its proper divisors (4236969466).

8439394034 is a wasteful number, since it uses less digits than its factorization.

8439394034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757484.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The square root of 8439394034 is about 91866.1745910866. The cubic root of 8439394034 is about 2035.9655328790.

The spelling of 8439394034 in words is "eight billion, four hundred thirty-nine million, three hundred ninety-four thousand, thirty-four".