342424378 has 4 divisors (see below), whose sum is σ = 513636570. Its totient is φ = 171212188.

The previous prime is 342424349. The next prime is 342424393. The reversal of 342424378 is 873424243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 282004849 + 60419529 = 16793^2 + 7773^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85606093 + ... + 85606096.

Almost surely, 2^342424378 is an apocalyptic number.

342424378 is a deficient number, since it is larger than the sum of its proper divisors (171212192).

342424378 is a wasteful number, since it uses less digits than its factorization.

342424378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171212191.

The product of its digits is 129024, while the sum is 37.

The square root of 342424378 is about 18504.7123187582. The cubic root of 342424378 is about 699.6082011543.

The spelling of 342424378 in words is "three hundred forty-two million, four hundred twenty-four thousand, three hundred seventy-eight".