342651406 has 4 divisors (see below), whose sum is σ = 513977112. Its totient is φ = 171325702.

The previous prime is 342651389. The next prime is 342651427. The reversal of 342651406 is 604156243.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 85662850 + ... + 85662853.

It is an arithmetic number, because the mean of its divisors is an integer number (128494278).

Almost surely, 2^342651406 is an apocalyptic number.

342651406 is a deficient number, since it is larger than the sum of its proper divisors (171325706).

342651406 is a wasteful number, since it uses less digits than its factorization.

342651406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171325705.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 342651406 is about 18510.8456316831. The cubic root of 342651406 is about 699.7627808437.

The spelling of 342651406 in words is "three hundred forty-two million, six hundred fifty-one thousand, four hundred six".