349383492 has 18 divisors (see below), whose sum is σ = 883163918. Its totient is φ = 116461152.

The previous prime is 349383487. The next prime is 349383521. The reversal of 349383492 is 294383943.

It can be written as a sum of positive squares in only one way, i.e., 235192896 + 114190596 = 15336^2 + 10686^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×349383492² = 244137648964228128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4852513 + ... + 4852584.

Almost surely, 2^349383492 is an apocalyptic number.

It is an amenable number.

349383492 is an abundant number, since it is smaller than the sum of its proper divisors (533780426).

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

349383492 is a wasteful number, since it uses less digits than its factorization.

349383492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9705107 (or 9705102 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 349383492 is about 18691.8028022981. The cubic root of 349383492 is about 704.3158475352.

The spelling of 349383492 in words is "three hundred forty-nine million, three hundred eighty-three thousand, four hundred ninety-two".