4827921 has 12 divisors (see below), whose sum is σ = 7488432. Its totient is φ = 2758728.

The previous prime is 4827913. The next prime is 4827943. The reversal of 4827921 is 1297284.

It is a happy number.

It is not a de Polignac number, because 4827921 - 2³ = 4827913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4827421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16275 + ... + 16568.

It is an arithmetic number, because the mean of its divisors is an integer number (624036).

Almost surely, 2^4827921 is an apocalyptic number.

It is an amenable number.

4827921 is a deficient number, since it is larger than the sum of its proper divisors (2660511).

4827921 is a wasteful number, since it uses less digits than its factorization.

4827921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32860 (or 32853 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 4827921 is about 2197.2530577974. The cubic root of 4827921 is about 169.0129770738.

The spelling of 4827921 in words is "four million, eight hundred twenty-seven thousand, nine hundred twenty-one".