4895821 has 8 divisors (see below), whose sum is σ = 5614784. Its totient is φ = 4181760.

The previous prime is 4895819. The next prime is 4895827. The reversal of 4895821 is 1285984.

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 4895821 - 2¹ = 4895819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4895827) 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, 1261 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (701848).

Almost surely, 2^4895821 is an apocalyptic number.

It is an amenable number.

4895821 is a deficient number, since it is larger than the sum of its proper divisors (718963).

4895821 is a wasteful number, since it uses less digits than its factorization.

4895821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451.

The product of its digits is 23040, while the sum is 37.

The square root of 4895821 is about 2212.6502208890. The cubic root of 4895821 is about 169.8016255834.

The spelling of 4895821 in words is "four million, eight hundred ninety-five thousand, eight hundred twenty-one".