6989243 has 4 divisors (see below), whose sum is σ = 7042728. Its totient is φ = 6935760.

The previous prime is 6989237. The next prime is 6989249. The reversal of 6989243 is 3429896.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6989237) and next prime (6989249).

It is a cyclic number.

It is not a de Polignac number, because 6989243 - 2¹⁴ = 6972859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6989243.

It is not an unprimeable number, because it can be changed into a prime (6989249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26546 + ... + 26807.

It is an arithmetic number, because the mean of its divisors is an integer number (1760682).

Almost surely, 2^6989243 is an apocalyptic number.

6989243 is a deficient number, since it is larger than the sum of its proper divisors (53485).

6989243 is a wasteful number, since it uses less digits than its factorization.

6989243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53484.

The product of its digits is 93312, while the sum is 41.

The square root of 6989243 is about 2643.7176475562. The cubic root of 6989243 is about 191.1950804188.

The spelling of 6989243 in words is "six million, nine hundred eighty-nine thousand, two hundred forty-three".