6996143 has 16 divisors (see below), whose sum is σ = 8929536. Its totient is φ = 5322240.

The previous prime is 6996137. The next prime is 6996149. The reversal of 6996143 is 3416996.

It is an interprime number because it is at equal distance from previous prime (6996137) and next prime (6996149).

It is not a de Polignac number, because 6996143 - 2⁶ = 6996079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6996097 and 6996106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6996149) 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, 2255 + ... + 4367.

It is an arithmetic number, because the mean of its divisors is an integer number (558096).

Almost surely, 2^6996143 is an apocalyptic number.

6996143 is a deficient number, since it is larger than the sum of its proper divisors (1933393).

6996143 is a wasteful number, since it uses less digits than its factorization.

6996143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174.

The product of its digits is 34992, while the sum is 38.

The square root of 6996143 is about 2645.0223061441. The cubic root of 6996143 is about 191.2579776529.

The spelling of 6996143 in words is "six million, nine hundred ninety-six thousand, one hundred forty-three".