4821378 has 16 divisors (see below), whose sum is σ = 9694080. Its totient is φ = 1598576.

The previous prime is 4821373. The next prime is 4821389. The reversal of 4821378 is 8731284.

It is not an unprimeable number, because it can be changed into a prime (4821373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (605880).

Almost surely, 2^4821378 is an apocalyptic number.

4821378 is an abundant number, since it is smaller than the sum of its proper divisors (4872702).

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

4821378 is a wasteful number, since it uses less digits than its factorization.

4821378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281.

The product of its digits is 10752, while the sum is 33.

The square root of 4821378 is about 2195.7636484831. The cubic root of 4821378 is about 168.9365914100.

The spelling of 4821378 in words is "four million, eight hundred twenty-one thousand, three hundred seventy-eight".