3913143 has 16 divisors (see below), whose sum is σ = 5654880. Its totient is φ = 2392704.

The previous prime is 3913139. The next prime is 3913159. The reversal of 3913143 is 3413193.

It is not a de Polignac number, because 3913143 - 2² = 3913139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913103) 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, 10305 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (353430).

Almost surely, 2^3913143 is an apocalyptic number.

3913143 is a deficient number, since it is larger than the sum of its proper divisors (1741737).

3913143 is a wasteful number, since it uses less digits than its factorization.

3913143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its digits is 972, while the sum is 24.

The square root of 3913143 is about 1978.1665753925. The cubic root of 3913143 is about 157.5827129166.

The spelling of 3913143 in words is "three million, nine hundred thirteen thousand, one hundred forty-three".