6231840 has 48 divisors (see below), whose sum is σ = 19631808. Its totient is φ = 1661696.

The previous prime is 6231833. The next prime is 6231851. The reversal of 6231840 is 481326.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a self number, because there is not a number n which added to its sum of digits gives 6231840.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6012 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (408996).

Almost surely, 2^6231840 is an apocalyptic number.

6231840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6231840 is an abundant number, since it is smaller than the sum of its proper divisors (13399968).

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

6231840 is a wasteful number, since it uses less digits than its factorization.

6231840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13001 (or 12993 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6231840 is about 2496.3653578753. The cubic root of 6231840 is about 184.0229964956.

The spelling of 6231840 in words is "six million, two hundred thirty-one thousand, eight hundred forty".