342774388 has 12 divisors (see below), whose sum is σ = 654387552. Its totient is φ = 155806520.

The previous prime is 342774331. The next prime is 342774389. The reversal of 342774388 is 883477243.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342774389) 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, 3895120 + ... + 3895207.

It is an arithmetic number, because the mean of its divisors is an integer number (54532296).

Almost surely, 2^342774388 is an apocalyptic number.

It is an amenable number.

342774388 is a deficient number, since it is larger than the sum of its proper divisors (311613164).

342774388 is a wasteful number, since it uses less digits than its factorization.

342774388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790342 (or 7790340 counting only the distinct ones).

The product of its digits is 903168, while the sum is 46.

The square root of 342774388 is about 18514.1672240476. The cubic root of 342774388 is about 699.8464887862.

It can be divided in two parts, 3427 and 74388, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 342774388 in words is "three hundred forty-two million, seven hundred seventy-four thousand, three hundred eighty-eight".