4904021 has 8 divisors (see below), whose sum is σ = 5105760. Its totient is φ = 4706352.

The previous prime is 4903999. The next prime is 4904023. The reversal of 4904021 is 1204094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4904021 - 2¹⁴ = 4887637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4903984 and 4904002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4904023) 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 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (638220).

Almost surely, 2^4904021 is an apocalyptic number.

It is an amenable number.

4904021 is a deficient number, since it is larger than the sum of its proper divisors (201739).

4904021 is a wasteful number, since it uses less digits than its factorization.

4904021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4904021 is about 2214.5024271831. The cubic root of 4904021 is about 169.8963728308.

The spelling of 4904021 in words is "four million, nine hundred four thousand, twenty-one".