342943874 has 32 divisors (see below), whose sum is σ = 634118016. Its totient is φ = 135457920.

The previous prime is 342943871. The next prime is 342943883. The reversal of 342943874 is 478349243.

It is a super-2 number, since 2×342943874² = 235221001428255752, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342943871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 169529 + ... + 171539.

It is an arithmetic number, because the mean of its divisors is an integer number (19816188).

Almost surely, 2^342943874 is an apocalyptic number.

342943874 is a deficient number, since it is larger than the sum of its proper divisors (291174142).

342943874 is a wasteful number, since it uses less digits than its factorization.

342943874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970.

The product of its digits is 580608, while the sum is 44.

The square root of 342943874 is about 18518.7438558883. The cubic root of 342943874 is about 699.9618169649.

The spelling of 342943874 in words is "three hundred forty-two million, nine hundred forty-three thousand, eight hundred seventy-four".