342028478 has 16 divisors (see below), whose sum is σ = 573335280. Its totient is φ = 151675200.

The previous prime is 342028441. The next prime is 342028483. The reversal of 342028478 is 874820243.

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 7 ways as a sum of consecutive naturals, for example, 188693 + ... + 190496.

It is an arithmetic number, because the mean of its divisors is an integer number (35833455).

Almost surely, 2^342028478 is an apocalyptic number.

342028478 is a deficient number, since it is larger than the sum of its proper divisors (231306802).

342028478 is a wasteful number, since it uses less digits than its factorization.

342028478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379243.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 342028478 is about 18494.0119498177. The cubic root of 342028478 is about 699.3384757138.

The spelling of 342028478 in words is "three hundred forty-two million, twenty-eight thousand, four hundred seventy-eight".