4821394 has 4 divisors (see below), whose sum is σ = 7232094. Its totient is φ = 2410696.

The previous prime is 4821389. The next prime is 4821407. The reversal of 4821394 is 4931284.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 263169 = 2135^2 + 513^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1205347 + ... + 1205350.

Almost surely, 2^4821394 is an apocalyptic number.

4821394 is a deficient number, since it is larger than the sum of its proper divisors (2410700).

4821394 is a wasteful number, since it uses less digits than its factorization.

4821394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410699.

The product of its digits is 6912, while the sum is 31.

The square root of 4821394 is about 2195.7672918595. The cubic root of 4821394 is about 168.9367782849.

The spelling of 4821394 in words is "four million, eight hundred twenty-one thousand, three hundred ninety-four".