342490287 has 16 divisors (see below), whose sum is σ = 463720320. Its totient is φ = 224812512.

The previous prime is 342490277. The next prime is 342490307. The reversal of 342490287 is 782094243.

It is not a de Polignac number, because 342490287 - 2⁶ = 342490223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342490277) 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, 76764 + ... + 81102.

It is an arithmetic number, because the mean of its divisors is an integer number (28982520).

Almost surely, 2^342490287 is an apocalyptic number.

342490287 is a deficient number, since it is larger than the sum of its proper divisors (121230033).

342490287 is a wasteful number, since it uses less digits than its factorization.

342490287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 342490287 is about 18506.4931037731. The cubic root of 342490287 is about 699.6530845620.

The spelling of 342490287 in words is "three hundred forty-two million, four hundred ninety thousand, two hundred eighty-seven".