6989873 has 8 divisors (see below), whose sum is σ = 8074080. Its totient is φ = 5980480.

The previous prime is 6989869. The next prime is 6989921. The reversal of 6989873 is 3789896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6989873 - 2² = 6989869 is a prime.

It is a super-2 number, since 2×6989873² = 97716649112258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6989813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18503 + ... + 18876.

It is an arithmetic number, because the mean of its divisors is an integer number (1009260).

Almost surely, 2^6989873 is an apocalyptic number.

It is an amenable number.

6989873 is a deficient number, since it is larger than the sum of its proper divisors (1084207).

6989873 is a wasteful number, since it uses less digits than its factorization.

6989873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37407.

The product of its digits is 653184, while the sum is 50.

The square root of 6989873 is about 2643.8367952655. The cubic root of 6989873 is about 191.2008249266.

The spelling of 6989873 in words is "six million, nine hundred eighty-nine thousand, eight hundred seventy-three".