349658294 has 4 divisors (see below), whose sum is σ = 524487444. Its totient is φ = 174829146.

The previous prime is 349658279. The next prime is 349658297. The reversal of 349658294 is 492856943.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349658297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87414572 + ... + 87414575.

It is an arithmetic number, because the mean of its divisors is an integer number (131121861).

Almost surely, 2^349658294 is an apocalyptic number.

349658294 is a deficient number, since it is larger than the sum of its proper divisors (174829150).

349658294 is a wasteful number, since it uses less digits than its factorization.

349658294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174829149.

The product of its digits is 1866240, while the sum is 50.

The square root of 349658294 is about 18699.1522267722. The cubic root of 349658294 is about 704.5004552669.

The spelling of 349658294 in words is "three hundred forty-nine million, six hundred fifty-eight thousand, two hundred ninety-four".