6900039 has 16 divisors (see below), whose sum is σ = 10348800. Its totient is φ = 4543128.

The previous prime is 6900001. The next prime is 6900053. The reversal of 6900039 is 9300096.

It is not a de Polignac number, because 6900039 - 2¹¹ = 6897991 is a prime.

It is a super-2 number, since 2×6900039² = 95221076403042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 6899985 and 6900021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (646800).

Almost surely, 2^6900039 is an apocalyptic number.

6900039 is a deficient number, since it is larger than the sum of its proper divisors (3448761).

6900039 is a wasteful number, since it uses less digits than its factorization.

6900039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 6900039 is about 2626.7925308254. The cubic root of 6900039 is about 190.3781848785.

The spelling of 6900039 in words is "six million, nine hundred thousand, thirty-nine".