342644428 has 12 divisors (see below), whose sum is σ = 685288912. Its totient is φ = 146847600.

The previous prime is 342644411. The next prime is 342644513. The reversal of 342644428 is 824446243.

342644428 is an admirable 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, 6118623 + ... + 6118678.

Almost surely, 2^342644428 is an apocalyptic number.

It is an amenable number.

342644428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342644428 is a wasteful number, since it uses less digits than its factorization.

342644428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237312 (or 12237310 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

The square root of 342644428 is about 18510.6571466277. The cubic root of 342644428 is about 699.7580306537.

It can be divided in two parts, 34 and 2644428, that added together give a palindrome (2644462).

The spelling of 342644428 in words is "three hundred forty-two million, six hundred forty-four thousand, four hundred twenty-eight".