3398894839 has 4 divisors (see below), whose sum is σ = 3508536640. Its totient is φ = 3289253040.

The previous prime is 3398894827. The next prime is 3398894867. The reversal of 3398894839 is 9384988933.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9384988933 = 4789 ⋅1959697.

It is a cyclic number.

It is not a de Polignac number, because 3398894839 - 2²¹ = 3396797687 is a prime.

It is a super-2 number, since 2×3398894839² = 23104972253161671842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3398894809) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54820854 + ... + 54820915.

It is an arithmetic number, because the mean of its divisors is an integer number (877134160).

Almost surely, 2^3398894839 is an apocalyptic number.

3398894839 is a deficient number, since it is larger than the sum of its proper divisors (109641801).

3398894839 is a wasteful number, since it uses less digits than its factorization.

3398894839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109641800.

The product of its digits is 40310784, while the sum is 64.

The square root of 3398894839 is about 58300.0415008429. The cubic root of 3398894839 is about 1503.5316545664.

The spelling of 3398894839 in words is "three billion, three hundred ninety-eight million, eight hundred ninety-four thousand, eight hundred thirty-nine".