349449433 has 16 divisors (see below), whose sum is σ = 383999616. Its totient is φ = 316673280.

The previous prime is 349449431. The next prime is 349449487. The reversal of 349449433 is 334944943.

It is not a de Polignac number, because 349449433 - 2¹ = 349449431 is a prime.

It is a super-2 number, since 2×349449433² = 244229812448042978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349449433.

It is not an unprimeable number, because it can be changed into a prime (349449431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48535 + ... + 55267.

It is an arithmetic number, because the mean of its divisors is an integer number (23999976).

Almost surely, 2^349449433 is an apocalyptic number.

It is an amenable number.

349449433 is a deficient number, since it is larger than the sum of its proper divisors (34550183).

349449433 is a wasteful number, since it uses less digits than its factorization.

349449433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864.

The product of its digits is 559872, while the sum is 43.

The square root of 349449433 is about 18693.5666206318. The cubic root of 349449433 is about 704.3601545034.

The spelling of 349449433 in words is "three hundred forty-nine million, four hundred forty-nine thousand, four hundred thirty-three".