339406947 has 12 divisors (see below), whose sum is σ = 534823224. Its totient is φ = 205701120.

The previous prime is 339406943. The next prime is 339406967. The reversal of 339406947 is 749604933.

It is not a de Polignac number, because 339406947 - 2² = 339406943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (339406943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714078 + ... + 1714275.

It is an arithmetic number, because the mean of its divisors is an integer number (44568602).

Almost surely, 2^339406947 is an apocalyptic number.

339406947 is a deficient number, since it is larger than the sum of its proper divisors (195416277).

339406947 is a wasteful number, since it uses less digits than its factorization.

339406947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428370 (or 3428367 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 339406947 is about 18423.0004885198. Note that the first 3 decimals coincide. The cubic root of 339406947 is about 697.5471614159.

The spelling of 339406947 in words is "three hundred thirty-nine million, four hundred six thousand, nine hundred forty-seven".