6390741 has 16 divisors (see below), whose sum is σ = 9803264. Its totient is φ = 3627504.

The previous prime is 6390733. The next prime is 6390749. The reversal of 6390741 is 1470936.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6390733) and next prime (6390749).

It is not a de Polignac number, because 6390741 - 2³ = 6390733 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6390699 and 6390708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390749) 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, 2490 + ... + 4356.

It is an arithmetic number, because the mean of its divisors is an integer number (612704).

Almost surely, 2^6390741 is an apocalyptic number.

It is an amenable number.

6390741 is a deficient number, since it is larger than the sum of its proper divisors (3412523).

6390741 is a wasteful number, since it uses less digits than its factorization.

6390741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 6390741 is about 2527.9914952389. The cubic root of 6390741 is about 185.5739758182.

The spelling of 6390741 in words is "six million, three hundred ninety thousand, seven hundred forty-one".