3161403 has 32 divisors (see below), whose sum is σ = 5491200. Its totient is φ = 1759968.

The previous prime is 3161351. The next prime is 3161407. The reversal of 3161403 is 3041613.

It is not a de Polignac number, because 3161403 - 2⁶ = 3161339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3161407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7933 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (171600).

Almost surely, 2^3161403 is an apocalyptic number.

3161403 is a deficient number, since it is larger than the sum of its proper divisors (2329797).

3161403 is a wasteful number, since it uses less digits than its factorization.

3161403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3161403 is about 1778.0334642520. The cubic root of 3161403 is about 146.7663928048.

The spelling of 3161403 in words is "three million, one hundred sixty-one thousand, four hundred three".