339870861 has 12 divisors (see below), whose sum is σ = 535554240. Its totient is φ = 205982280.

The previous prime is 339870859. The next prime is 339870889. The reversal of 339870861 is 168078933.

It is a happy number.

It is not a de Polignac number, because 339870861 - 2¹ = 339870859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339870061) 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, 1716421 + ... + 1716618.

It is an arithmetic number, because the mean of its divisors is an integer number (44629520).

Almost surely, 2^339870861 is an apocalyptic number.

It is an amenable number.

339870861 is a deficient number, since it is larger than the sum of its proper divisors (195683379).

339870861 is a wasteful number, since it uses less digits than its factorization.

339870861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433056 (or 3433053 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 339870861 is about 18435.5868092122. The cubic root of 339870861 is about 697.8648278352.

The spelling of 339870861 in words is "three hundred thirty-nine million, eight hundred seventy thousand, eight hundred sixty-one".