3149403 has 16 divisors (see below), whose sum is σ = 4569120. Its totient is φ = 1921536.

The previous prime is 3149387. The next prime is 3149441. The reversal of 3149403 is 3049413.

It is not a de Polignac number, because 3149403 - 2⁴ = 3149387 is a prime.

3149403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3149203) 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, 1053 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (285570).

Almost surely, 2^3149403 is an apocalyptic number.

3149403 is a deficient number, since it is larger than the sum of its proper divisors (1419717).

3149403 is a wasteful number, since it uses less digits than its factorization.

3149403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3149403 is about 1774.6557412636. The cubic root of 3149403 is about 146.5804595553.

The spelling of 3149403 in words is "three million, one hundred forty-nine thousand, four hundred three".