349424442 has 40 divisors (see below), whose sum is σ = 797762196. Its totient is φ = 114274368.

The previous prime is 349424437. The next prime is 349424503. The reversal of 349424442 is 244424943.

It can be written as a sum of positive squares in 2 ways, for example, as 330839721 + 18584721 = 18189^2 + 4311^2 .

It is a super-2 number, since 2×349424442² = 244194881334022728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 349424397 and 349424406.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11763 + ... + 28934.

Almost surely, 2^349424442 is an apocalyptic number.

349424442 is an abundant number, since it is smaller than the sum of its proper divisors (448337754).

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

349424442 is a wasteful number, since it uses less digits than its factorization.

349424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40764 (or 40755 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 349424442 is about 18692.8981701608. The cubic root of 349424442 is about 704.3433632478.

It can be divided in two parts, 349424 and 442, that added together give a triangular number (349866 = T₈₃₆).

The spelling of 349424442 in words is "three hundred forty-nine million, four hundred twenty-four thousand, four hundred forty-two".