349273838 has 16 divisors (see below), whose sum is σ = 541347840. Its totient is φ = 168835800.

The previous prime is 349273819. The next prime is 349273853. The reversal of 349273838 is 838372943.

It is a super-2 number, since 2×349273838² = 243984427822500488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 349273792 and 349273801.

It is a congruent number.

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, 79643 + ... + 83913.

It is an arithmetic number, because the mean of its divisors is an integer number (33834240).

Almost surely, 2^349273838 is an apocalyptic number.

349273838 is a deficient number, since it is larger than the sum of its proper divisors (192074002).

349273838 is a wasteful number, since it uses less digits than its factorization.

349273838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623.

The product of its digits is 870912, while the sum is 47.

The square root of 349273838 is about 18688.8693612000. The cubic root of 349273838 is about 704.2421566552.

The spelling of 349273838 in words is "three hundred forty-nine million, two hundred seventy-three thousand, eight hundred thirty-eight".