349244421 has 8 divisors (see below), whose sum is σ = 465772320. Its totient is φ = 232773072.

The previous prime is 349244417. The next prime is 349244431. The reversal of 349244421 is 124442943.

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

It is not a de Polignac number, because 349244421 - 2² = 349244417 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349244411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375 + ... + 26643.

It is an arithmetic number, because the mean of its divisors is an integer number (58221540).

Almost surely, 2^349244421 is an apocalyptic number.

It is an amenable number.

349244421 is a deficient number, since it is larger than the sum of its proper divisors (116527899).

349244421 is a wasteful number, since it uses less digits than its factorization.

349244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28275.

The product of its digits is 27648, while the sum is 33.

The square root of 349244421 is about 18688.0823253752. The cubic root of 349244421 is about 704.2223848974. Note that the first 3 decimals are identical.

The spelling of 349244421 in words is "three hundred forty-nine million, two hundred forty-four thousand, four hundred twenty-one".