6231420 has 72 divisors (see below), whose sum is σ = 20363616. Its totient is φ = 1533312.

The previous prime is 6231419. The next prime is 6231427. The reversal of 6231420 is 241326.

It is a happy number.

6231420 is a `hidden beast` number, since 623 + 1 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 6231393 and 6231402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6231427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1009 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (282828).

Almost surely, 2^6231420 is an apocalyptic number.

6231420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10181808).

6231420 is an abundant number, since it is smaller than the sum of its proper divisors (14132196).

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

6231420 is a wasteful number, since it uses less digits than its factorization.

6231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2686 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6231420 is about 2496.2812341561. The cubic root of 6231420 is about 184.0188622755.

Adding to 6231420 its reverse (241326), we get a palindrome (6472746).

The spelling of 6231420 in words is "six million, two hundred thirty-one thousand, four hundred twenty".