6390516 has 24 divisors (see below), whose sum is σ = 16267104. Its totient is φ = 1936480.

The previous prime is 6390499. The next prime is 6390533. The reversal of 6390516 is 6150936.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6390499) and next prime (6390533).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24075 + ... + 24338.

It is an arithmetic number, because the mean of its divisors is an integer number (677796).

Almost surely, 2^6390516 is an apocalyptic number.

6390516 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6390516 is an abundant number, since it is smaller than the sum of its proper divisors (9876588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6390516 is a wasteful number, since it uses less digits than its factorization.

6390516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48431 (or 48429 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 6390516 is about 2527.9469931152. The cubic root of 6390516 is about 185.5717979469.

The spelling of 6390516 in words is "six million, three hundred ninety thousand, five hundred sixteen".