342774393 has 16 divisors (see below), whose sum is σ = 496794816. Its totient is φ = 208964160.

The previous prime is 342774389. The next prime is 342774407. The reversal of 342774393 is 393477243.

It is not a de Polignac number, because 342774393 - 2² = 342774389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342774323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36898 + ... + 45243.

It is an arithmetic number, because the mean of its divisors is an integer number (31049676).

Almost surely, 2^342774393 is an apocalyptic number.

It is an amenable number.

342774393 is a deficient number, since it is larger than the sum of its proper divisors (154020423).

342774393 is a wasteful number, since it uses less digits than its factorization.

342774393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82264.

The product of its digits is 381024, while the sum is 42.

The square root of 342774393 is about 18514.1673590794. The cubic root of 342774393 is about 699.8464921890.

The spelling of 342774393 in words is "three hundred forty-two million, seven hundred seventy-four thousand, three hundred ninety-three".