349703438 has 8 divisors (see below), whose sum is σ = 599491632. Its totient is φ = 149872896.

The previous prime is 349703407. The next prime is 349703441. The reversal of 349703438 is 834307943.

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 = 349703395 and 349703404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12489395 + ... + 12489422.

It is an arithmetic number, because the mean of its divisors is an integer number (74936454).

Almost surely, 2^349703438 is an apocalyptic number.

349703438 is a deficient number, since it is larger than the sum of its proper divisors (249788194).

349703438 is a wasteful number, since it uses less digits than its factorization.

349703438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24978826.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 349703438 is about 18700.3593013610. The cubic root of 349703438 is about 704.5307730567.

The spelling of 349703438 in words is "three hundred forty-nine million, seven hundred three thousand, four hundred thirty-eight".