4794821 has 4 divisors (see below), whose sum is σ = 5047200. Its totient is φ = 4542444.

The previous prime is 4794817. The next prime is 4794841. The reversal of 4794821 is 1284974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1284974 = 2 ⋅642487.

It is not a de Polignac number, because 4794821 - 2² = 4794817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4794841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126161 + ... + 126198.

It is an arithmetic number, because the mean of its divisors is an integer number (1261800).

Almost surely, 2^4794821 is an apocalyptic number.

It is an amenable number.

4794821 is a deficient number, since it is larger than the sum of its proper divisors (252379).

4794821 is a wasteful number, since it uses less digits than its factorization.

4794821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252378.

The product of its digits is 16128, while the sum is 35.

The square root of 4794821 is about 2189.7079713971. The cubic root of 4794821 is about 168.6258426474.

The spelling of 4794821 in words is "four million, seven hundred ninety-four thousand, eight hundred twenty-one".