349391446 has 8 divisors (see below), whose sum is σ = 554915880. Its totient is φ = 164419488.

The previous prime is 349391431. The next prime is 349391447. The reversal of 349391446 is 644193943.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349391447) 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, 5138076 + ... + 5138143.

It is an arithmetic number, because the mean of its divisors is an integer number (69364485).

Almost surely, 2^349391446 is an apocalyptic number.

349391446 is a deficient number, since it is larger than the sum of its proper divisors (205524434).

349391446 is a wasteful number, since it uses less digits than its factorization.

349391446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276238.

The product of its digits is 279936, while the sum is 43.

The square root of 349391446 is about 18692.0155681510. The cubic root of 349391446 is about 704.3211922695.

The spelling of 349391446 in words is "three hundred forty-nine million, three hundred ninety-one thousand, four hundred forty-six".