342509394 has 16 divisors (see below), whose sum is σ = 685202400. Its totient is φ = 114139200.

The previous prime is 342509383. The next prime is 342509411. The reversal of 342509394 is 493905243.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34282 + ... + 43130.

It is an arithmetic number, because the mean of its divisors is an integer number (42825150).

Almost surely, 2^342509394 is an apocalyptic number.

342509394 is an abundant number, since it is smaller than the sum of its proper divisors (342693006).

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

342509394 is a wasteful number, since it uses less digits than its factorization.

342509394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 342509394 is about 18507.0093207952. The cubic root of 342509394 is about 699.6660951722. Note that the first 3 decimals are identical.

The spelling of 342509394 in words is "three hundred forty-two million, five hundred nine thousand, three hundred ninety-four".