342784287 has 12 divisors (see below), whose sum is σ = 497062800. Its totient is φ = 227632128.

The previous prime is 342784259. The next prime is 342784307. The reversal of 342784287 is 782487243.

It is not a de Polignac number, because 342784287 - 2¹¹ = 342782239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342784487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71787 + ... + 76412.

It is an arithmetic number, because the mean of its divisors is an integer number (41421900).

Almost surely, 2^342784287 is an apocalyptic number.

342784287 is a deficient number, since it is larger than the sum of its proper divisors (154278513).

342784287 is a wasteful number, since it uses less digits than its factorization.

342784287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148462 (or 148459 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 342784287 is about 18514.4345579334. The cubic root of 342784287 is about 699.8532256895.

The spelling of 342784287 in words is "three hundred forty-two million, seven hundred eighty-four thousand, two hundred eighty-seven".