427231800 has 192 divisors, whose sum is σ = 1496853600. Its totient is φ = 111974400.

The previous prime is 427231769. The next prime is 427231807. The reversal of 427231800 is 8132724.

427231800 is a `hidden beast` number, since 427 + 231 + 8 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427231807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328752 + ... + 330048.

Almost surely, 2^427231800 is an apocalyptic number.

427231800 is a gapful number since it is divisible by the number (40) 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 427231800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748426800).

427231800 is an abundant number, since it is smaller than the sum of its proper divisors (1069621800).

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

427231800 is a wasteful number, since it uses less digits than its factorization.

427231800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 427231800 is about 20669.5863529002. The cubic root of 427231800 is about 753.1610582301.

The spelling of 427231800 in words is "four hundred twenty-seven million, two hundred thirty-one thousand, eight hundred".