342879644 has 12 divisors (see below), whose sum is σ = 620730600. Its totient is φ = 165528048.

The previous prime is 342879637. The next prime is 342879727. The reversal of 342879644 is 446978243.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477814 + ... + 1478045.

It is an arithmetic number, because the mean of its divisors is an integer number (51727550).

Almost surely, 2^342879644 is an apocalyptic number.

It is an amenable number.

342879644 is a deficient number, since it is larger than the sum of its proper divisors (277850956).

342879644 is a wasteful number, since it uses less digits than its factorization.

342879644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955892 (or 2955890 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 342879644 is about 18517.0095857836. The cubic root of 342879644 is about 699.9181155918.

The spelling of 342879644 in words is "three hundred forty-two million, eight hundred seventy-nine thousand, six hundred forty-four".