6989079 has 16 divisors (see below), whose sum is σ = 9792000. Its totient is φ = 4425696.

The previous prime is 6989071. The next prime is 6989107. The reversal of 6989079 is 9709896.

It is a happy number.

It is not a de Polignac number, because 6989079 - 2³ = 6989071 is a prime.

6989079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989071) 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, 13477 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (612000).

Almost surely, 2^6989079 is an apocalyptic number.

6989079 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

6989079 is a deficient number, since it is larger than the sum of its proper divisors (2802921).

6989079 is a wasteful number, since it uses less digits than its factorization.

6989079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 6989079 is about 2643.6866304462. The cubic root of 6989079 is about 191.1935849665.

The spelling of 6989079 in words is "six million, nine hundred eighty-nine thousand, seventy-nine".