6988039 has 2 divisors, whose sum is σ = 6988040. Its totient is φ = 6988038.

The previous prime is 6987983. The next prime is 6988049. The reversal of 6988039 is 9308896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6988039 - 2¹⁵ = 6955271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6987986 and 6988004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6988049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494019 + 3494020.

It is an arithmetic number, because the mean of its divisors is an integer number (3494020).

Almost surely, 2^6988039 is an apocalyptic number.

6988039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6988039 is an equidigital number, since it uses as much as digits as its factorization.

6988039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 6988039 is about 2643.4899281064. The cubic root of 6988039 is about 191.1841010659.

The spelling of 6988039 in words is "six million, nine hundred eighty-eight thousand, thirty-nine".