4387284 has 60 divisors (see below), whose sum is σ = 12522048. Its totient is φ = 1328400.

The previous prime is 4387283. The next prime is 4387289. The reversal of 4387284 is 4827834.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387283) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2949 + ... + 4179.

Almost surely, 2^4387284 is an apocalyptic number.

4387284 is a gapful number since it is divisible by the number (44) 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 4387284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6261024).

4387284 is an abundant number, since it is smaller than the sum of its proper divisors (8134764).

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

4387284 is a wasteful number, since it uses less digits than its factorization.

4387284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1247 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 4387284 is about 2094.5844456598. The cubic root of 4387284 is about 163.7062459095.

It can be divided in two parts, 43872 and 84, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 4387284 in words is "four million, three hundred eighty-seven thousand, two hundred eighty-four".