342509438 has 8 divisors (see below), whose sum is σ = 543985632. Its totient is φ = 161180896.

The previous prime is 342509423. The next prime is 342509471. The reversal of 342509438 is 834905243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036870 + ... + 5036937.

It is an arithmetic number, because the mean of its divisors is an integer number (67998204).

Almost surely, 2^342509438 is an apocalyptic number.

342509438 is a deficient number, since it is larger than the sum of its proper divisors (201476194).

342509438 is a wasteful number, since it uses less digits than its factorization.

342509438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073826.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 342509438 is about 18507.0105095339. The cubic root of 342509438 is about 699.6661251327. Note that the first 3 decimals are identical.

The spelling of 342509438 in words is "three hundred forty-two million, five hundred nine thousand, four hundred thirty-eight".