349375642 has 48 divisors (see below), whose sum is σ = 679666176. Its totient is φ = 131709600.

The previous prime is 349375627. The next prime is 349375657. The reversal of 349375642 is 246573943.

It is an interprime number because it is at equal distance from previous prime (349375627) and next prime (349375657).

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 23 ways as a sum of consecutive naturals, for example, 49188 + ... + 55840.

It is an arithmetic number, because the mean of its divisors is an integer number (14159712).

Almost surely, 2^349375642 is an apocalyptic number.

349375642 is a deficient number, since it is larger than the sum of its proper divisors (330290534).

349375642 is a wasteful number, since it uses less digits than its factorization.

349375642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6704 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The square root of 349375642 is about 18691.5928160229. The cubic root of 349375642 is about 704.3105726048.

The spelling of 349375642 in words is "three hundred forty-nine million, three hundred seventy-five thousand, six hundred forty-two".