349392838 has 8 divisors (see below), whose sum is σ = 525645432. Its totient is φ = 174177696.

The previous prime is 349392833. The next prime is 349392863. The reversal of 349392838 is 838293943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 349392791 and 349392800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349392833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258520 + ... + 259867.

It is an arithmetic number, because the mean of its divisors is an integer number (65705679).

Almost surely, 2^349392838 is an apocalyptic number.

349392838 is a deficient number, since it is larger than the sum of its proper divisors (176252594).

349392838 is a wasteful number, since it uses less digits than its factorization.

349392838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518726.

The product of its digits is 1119744, while the sum is 49.

The square root of 349392838 is about 18692.0528032637. The cubic root of 349392838 is about 704.3221276232.

The spelling of 349392838 in words is "three hundred forty-nine million, three hundred ninety-two thousand, eight hundred thirty-eight".