342972287 has 16 divisors (see below), whose sum is σ = 413736960. Its totient is φ = 277735392.

The previous prime is 342972283. The next prime is 342972307. The reversal of 342972287 is 782279243.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 342972287 - 2² = 342972283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342972283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47573 + ... + 54305.

It is an arithmetic number, because the mean of its divisors is an integer number (25858560).

Almost surely, 2^342972287 is an apocalyptic number.

342972287 is a deficient number, since it is larger than the sum of its proper divisors (70764673).

342972287 is a wasteful number, since it uses less digits than its factorization.

342972287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142.

The product of its digits is 338688, while the sum is 44.

The square root of 342972287 is about 18519.5109816647. The cubic root of 342972287 is about 699.9811471113.

The spelling of 342972287 in words is "three hundred forty-two million, nine hundred seventy-two thousand, two hundred eighty-seven".