342784290 has 32 divisors (see below), whose sum is σ = 830237760. Its totient is φ = 90569664.

The previous prime is 342784259. The next prime is 342784307. The reversal of 342784290 is 92487243.

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, 49144 + ... + 55683.

It is an arithmetic number, because the mean of its divisors is an integer number (25944930).

Almost surely, 2^342784290 is an apocalyptic number.

342784290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

342784290 is an abundant number, since it is smaller than the sum of its proper divisors (487453470).

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

342784290 is a wasteful number, since it uses less digits than its factorization.

342784290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104946.

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

The square root of 342784290 is about 18514.4346389513. The cubic root of 342784290 is about 699.8532277311.

The spelling of 342784290 in words is "three hundred forty-two million, seven hundred eighty-four thousand, two hundred ninety".