3143397 has 8 divisors (see below), whose sum is σ = 4335840. Its totient is φ = 2023280.

The previous prime is 3143389. The next prime is 3143401. The reversal of 3143397 is 7933413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3143397 - 2³ = 3143389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17979 + ... + 18152.

It is an arithmetic number, because the mean of its divisors is an integer number (541980).

Almost surely, 2^3143397 is an apocalyptic number.

It is an amenable number.

3143397 is a deficient number, since it is larger than the sum of its proper divisors (1192443).

3143397 is a wasteful number, since it uses less digits than its factorization.

3143397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36163.

The product of its digits is 6804, while the sum is 30.

The square root of 3143397 is about 1772.9627745669. The cubic root of 3143397 is about 146.4872225768.

The spelling of 3143397 in words is "three million, one hundred forty-three thousand, three hundred ninety-seven".