284271400 has 48 divisors (see below), whose sum is σ = 755353440. Its totient is φ = 97464000.

The previous prime is 284271397. The next prime is 284271413. The reversal of 284271400 is 4172482.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100126 + ... + 102925.

It is an arithmetic number, because the mean of its divisors is an integer number (15736530).

Almost surely, 2^284271400 is an apocalyptic number.

284271400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284271400 is an abundant number, since it is smaller than the sum of its proper divisors (471082040).

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

284271400 is a wasteful number, since it uses less digits than its factorization.

284271400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203074 (or 203065 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 284271400 is about 16860.3499370565. The cubic root of 284271400 is about 657.5231622581.

The spelling of 284271400 in words is "two hundred eighty-four million, two hundred seventy-one thousand, four hundred".