3143426 has 32 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 1270080.

The previous prime is 3143411. The next prime is 3143447. The reversal of 3143426 is 6243413.

It is a happy number.

It is a super-2 number, since 2×3143426² = 19762254034952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8105 + ... + 8483.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

Almost surely, 2^3143426 is an apocalyptic number.

3143426 is a deficient number, since it is larger than the sum of its proper divisors (2602174).

3143426 is a wasteful number, since it uses less digits than its factorization.

3143426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 1728, while the sum is 23.

The square root of 3143426 is about 1772.9709529488. The cubic root of 3143426 is about 146.4876730572.

Adding to 3143426 its reverse (6243413), we get a palindrome (9386839).

The spelling of 3143426 in words is "three million, one hundred forty-three thousand, four hundred twenty-six".