339398643 has 4 divisors (see below), whose sum is σ = 452531528. Its totient is φ = 226265760.

The previous prime is 339398639. The next prime is 339398707. The reversal of 339398643 is 346893933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346893933 = 3 ⋅115631311.

It is not a de Polignac number, because 339398643 - 2² = 339398639 is a prime.

It is a super-3 number, since 3×339398643³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 339398592 and 339398601.

It is not an unprimeable number, because it can be changed into a prime (339398443) 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, 56566438 + ... + 56566443.

It is an arithmetic number, because the mean of its divisors is an integer number (113132882).

Almost surely, 2^339398643 is an apocalyptic number.

339398643 is a deficient number, since it is larger than the sum of its proper divisors (113132885).

339398643 is a wasteful number, since it uses less digits than its factorization.

339398643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113132884.

The product of its digits is 1259712, while the sum is 48.

The square root of 339398643 is about 18422.7751166864. The cubic root of 339398643 is about 697.5414725922.

The spelling of 339398643 in words is "three hundred thirty-nine million, three hundred ninety-eight thousand, six hundred forty-three".