6390117 has 16 divisors (see below), whose sum is σ = 9509760. Its totient is φ = 4240800.

The previous prime is 6390107. The next prime is 6390119. The reversal of 6390117 is 7110936.

It is not a de Polignac number, because 6390117 - 2⁶ = 6390053 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390119) 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, 8017 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (594360).

Almost surely, 2^6390117 is an apocalyptic number.

It is an amenable number.

6390117 is a deficient number, since it is larger than the sum of its proper divisors (3119643).

6390117 is a wasteful number, since it uses less digits than its factorization.

6390117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 6390117 is about 2527.8680740893. The cubic root of 6390117 is about 185.5679357293.

The spelling of 6390117 in words is "six million, three hundred ninety thousand, one hundred seventeen".