6143691 has 16 divisors (see below), whose sum is σ = 8605440. Its totient is φ = 3891360.

The previous prime is 6143671. The next prime is 6143693. The reversal of 6143691 is 1963416.

It is not a de Polignac number, because 6143691 - 2¹⁴ = 6127307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6143693) 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, 18396 + ... + 18726.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

Almost surely, 2^6143691 is an apocalyptic number.

6143691 is a deficient number, since it is larger than the sum of its proper divisors (2461749).

6143691 is a wasteful number, since it uses less digits than its factorization.

6143691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its digits is 3888, while the sum is 30.

The square root of 6143691 is about 2478.6470099633. The cubic root of 6143691 is about 183.1512082996.

The spelling of 6143691 in words is "six million, one hundred forty-three thousand, six hundred ninety-one".