3143427 has 16 divisors (see below), whose sum is σ = 4822272. Its totient is φ = 1784160.

The previous prime is 3143411. The next prime is 3143447. The reversal of 3143427 is 7243413.

It is not a de Polignac number, because 3143427 - 2⁴ = 3143411 is a prime.

It is a super-2 number, since 2×3143427² = 19762266608658, which contains 22 as substring.

It is an Ulam number.

3143427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3143397 and 3143406.

It is not an unprimeable number, because it can be changed into a prime (3143447) 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, 3388 + ... + 4214.

It is an arithmetic number, because the mean of its divisors is an integer number (301392).

Almost surely, 2^3143427 is an apocalyptic number.

3143427 is a deficient number, since it is larger than the sum of its proper divisors (1678845).

3143427 is a wasteful number, since it uses less digits than its factorization.

3143427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018.

The product of its digits is 2016, while the sum is 24.

The square root of 3143427 is about 1772.9712349612. The cubic root of 3143427 is about 146.4876885910.

It can be divided in two parts, 3143 and 427, that added together give a triangular number (3570 = T₈₄).

The spelling of 3143427 in words is "three million, one hundred forty-three thousand, four hundred twenty-seven".