349449403 has 2 divisors, whose sum is σ = 349449404. Its totient is φ = 349449402.

The previous prime is 349449383. The next prime is 349449431. The reversal of 349449403 is 304944943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349449403 - 2¹⁷ = 349318331 is a prime.

It is a super-2 number, since 2×349449403² = 244229770514112818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (349449703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174724701 + 174724702.

It is an arithmetic number, because the mean of its divisors is an integer number (174724702).

Almost surely, 2^349449403 is an apocalyptic number.

349449403 is a deficient number, since it is larger than the sum of its proper divisors (1).

349449403 is an equidigital number, since it uses as much as digits as its factorization.

349449403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 349449403 is about 18693.5658182167. The cubic root of 349449403 is about 704.3601343471.

It can be divided in two parts, 34944940 and 3, that added together give a palindrome (34944943).

The spelling of 349449403 in words is "three hundred forty-nine million, four hundred forty-nine thousand, four hundred three".