6263985 has 48 divisors (see below), whose sum is σ = 12438144. Its totient is φ = 2635776.

The previous prime is 6263963. The next prime is 6263987. The reversal of 6263985 is 5893626.

It is not a de Polignac number, because 6263985 - 2⁸ = 6263729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

6263985 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6263987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17569 + ... + 17921.

It is an arithmetic number, because the mean of its divisors is an integer number (259128).

Almost surely, 2^6263985 is an apocalyptic number.

6263985 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6263985 is a deficient number, since it is larger than the sum of its proper divisors (6174159).

6263985 is a wasteful number, since it uses less digits than its factorization.

6263985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 381 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 6263985 is about 2502.7954371063. The cubic root of 6263985 is about 184.3388623994.

The spelling of 6263985 in words is "six million, two hundred sixty-three thousand, nine hundred eighty-five".