6390024 has 32 divisors (see below), whose sum is σ = 16074240. Its totient is φ = 2116800.

The previous prime is 6390001. The next prime is 6390029. The reversal of 6390024 is 4200936.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 6389976 and 6390003.

It is not an unprimeable number, because it can be changed into a prime (6390029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609 + ... + 5079.

It is an arithmetic number, because the mean of its divisors is an integer number (502320).

Almost surely, 2^6390024 is an apocalyptic number.

It is an amenable number.

6390024 is an abundant number, since it is smaller than the sum of its proper divisors (9684216).

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

6390024 is a wasteful number, since it uses less digits than its factorization.

6390024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 6390024 is about 2527.8496790751. The cubic root of 6390024 is about 185.5670354901.

The spelling of 6390024 in words is "six million, three hundred ninety thousand, twenty-four".