342697990 has 8 divisors (see below), whose sum is σ = 616856400. Its totient is φ = 137079192.

The previous prime is 342697987. The next prime is 342698011. The reversal of 342697990 is 99796243.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17134890 + ... + 17134909.

It is an arithmetic number, because the mean of its divisors is an integer number (77107050).

Almost surely, 2^342697990 is an apocalyptic number.

342697990 is a deficient number, since it is larger than the sum of its proper divisors (274158410).

342697990 is a wasteful number, since it uses less digits than its factorization.

342697990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34269806.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 342697990 is about 18512.1038782738. The cubic root of 342697990 is about 699.7944906919.

The spelling of 342697990 in words is "three hundred forty-two million, six hundred ninety-seven thousand, nine hundred ninety".