349666942 has 16 divisors (see below), whose sum is σ = 540918000. Its totient is φ = 169418560.

The previous prime is 349666921. The next prime is 349666943. The reversal of 349666942 is 249666943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349666943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092 + ... + 26527.

It is an arithmetic number, because the mean of its divisors is an integer number (33807375).

Almost surely, 2^349666942 is an apocalyptic number.

349666942 is a deficient number, since it is larger than the sum of its proper divisors (191251058).

349666942 is a wasteful number, since it uses less digits than its factorization.

349666942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28811.

The product of its digits is 1679616, while the sum is 49.

The square root of 349666942 is about 18699.3834657723. The cubic root of 349666942 is about 704.5062632894.

Subtracting from 349666942 its reverse (249666943), we obtain a palindrome (99999999).

The spelling of 349666942 in words is "three hundred forty-nine million, six hundred sixty-six thousand, nine hundred forty-two".