349418403 has 12 divisors (see below), whose sum is σ = 505257480. Its totient is φ = 232695456.

The previous prime is 349418401. The next prime is 349418411. The reversal of 349418403 is 304814943.

It is not a de Polignac number, because 349418403 - 2¹ = 349418401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349418401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11793 + ... + 28946.

It is an arithmetic number, because the mean of its divisors is an integer number (42104790).

Almost surely, 2^349418403 is an apocalyptic number.

349418403 is a deficient number, since it is larger than the sum of its proper divisors (155839077).

349418403 is a wasteful number, since it uses less digits than its factorization.

349418403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41698 (or 41695 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 349418403 is about 18692.7366375285. The cubic root of 349418403 is about 704.3393055713.

The spelling of 349418403 in words is "three hundred forty-nine million, four hundred eighteen thousand, four hundred three".