349796642 has 16 divisors (see below), whose sum is σ = 565652472. Its totient is φ = 161274240.

The previous prime is 349796639. The next prime is 349796651. The reversal of 349796642 is 246697943.

It can be written as a sum of positive squares in 4 ways, for example, as 277189201 + 72607441 = 16649^2 + 8521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19958 + ... + 33134.

Almost surely, 2^349796642 is an apocalyptic number.

349796642 is a deficient number, since it is larger than the sum of its proper divisors (215855830).

349796642 is a wasteful number, since it uses less digits than its factorization.

349796642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14213.

The product of its digits is 1959552, while the sum is 50.

The square root of 349796642 is about 18702.8511730164. The cubic root of 349796642 is about 704.5933587089.

The spelling of 349796642 in words is "three hundred forty-nine million, seven hundred ninety-six thousand, six hundred forty-two".