6423900 has 216 divisors, whose sum is σ = 23748480. Its totient is φ = 1330560.

The previous prime is 6423889. The next prime is 6423917. The reversal of 6423900 is 93246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 279289 + ... + 279311.

Almost surely, 2^6423900 is an apocalyptic number.

6423900 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 6423900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11874240).

6423900 is an abundant number, since it is smaller than the sum of its proper divisors (17324580).

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

6423900 is a wasteful number, since it uses less digits than its factorization.

6423900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 59 counting only the distinct ones).

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

The square root of 6423900 is about 2534.5413786324. The cubic root of 6423900 is about 185.8943786970.

The spelling of 6423900 in words is "six million, four hundred twenty-three thousand, nine hundred".