6989936 has 10 divisors (see below), whose sum is σ = 13543032. Its totient is φ = 3494960.

The previous prime is 6989933. The next prime is 6989947. The reversal of 6989936 is 6399896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218420 + ... + 218451.

Almost surely, 2^6989936 is an apocalyptic number.

It is an amenable number.

6989936 is a deficient number, since it is larger than the sum of its proper divisors (6553096).

6989936 is a wasteful number, since it uses less digits than its factorization.

6989936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436879 (or 436873 counting only the distinct ones).

The product of its digits is 629856, while the sum is 50.

The square root of 6989936 is about 2643.8487097412. The cubic root of 6989936 is about 191.2013993584.

The spelling of 6989936 in words is "six million, nine hundred eighty-nine thousand, nine hundred thirty-six".