342815946 has 32 divisors (see below), whose sum is σ = 750230208. Its totient is φ = 103568640.

The previous prime is 342815933. The next prime is 342815951. The reversal of 342815946 is 649518243.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 342815898 and 342815907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14536 + ... + 29948.

It is an arithmetic number, because the mean of its divisors is an integer number (23444694).

Almost surely, 2^342815946 is an apocalyptic number.

342815946 is an abundant number, since it is smaller than the sum of its proper divisors (407414262).

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

342815946 is a wasteful number, since it uses less digits than its factorization.

342815946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766.

The product of its digits is 207360, while the sum is 42.

The square root of 342815946 is about 18515.2895197456. The cubic root of 342815946 is about 699.8747707953.

The spelling of 342815946 in words is "three hundred forty-two million, eight hundred fifteen thousand, nine hundred forty-six".