349303444 has 24 divisors (see below), whose sum is σ = 699773760. Its totient is φ = 149451456.

The previous prime is 349303439. The next prime is 349303447. The reversal of 349303444 is 444303943.

It is a super-2 number, since 2×349303444² = 244025791980522272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349303447) 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, 7167 + ... + 27385.

It is an arithmetic number, because the mean of its divisors is an integer number (29157240).

Almost surely, 2^349303444 is an apocalyptic number.

It is an amenable number.

349303444 is an abundant number, since it is smaller than the sum of its proper divisors (350470316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349303444 is a wasteful number, since it uses less digits than its factorization.

349303444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20847 (or 20845 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 349303444 is about 18689.6614201542. The cubic root of 349303444 is about 704.2620543228.

The spelling of 349303444 in words is "three hundred forty-nine million, three hundred three thousand, four hundred forty-four".