16349403 has 16 divisors (see below), whose sum is σ = 25323776. Its totient is φ = 9188640.

The previous prime is 16349401. The next prime is 16349419. The reversal of 16349403 is 30494361.

It is not a de Polignac number, because 16349403 - 2¹ = 16349401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16349401) 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, 5101 + ... + 7662.

It is an arithmetic number, because the mean of its divisors is an integer number (1582736).

Almost surely, 2^16349403 is an apocalyptic number.

16349403 is a deficient number, since it is larger than the sum of its proper divisors (8974373).

16349403 is a wasteful number, since it uses less digits than its factorization.

16349403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12834.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 16349403 is about 4043.4395012168. The cubic root of 16349403 is about 253.8052685229.

The spelling of 16349403 in words is "sixteen million, three hundred forty-nine thousand, four hundred three".