4767921 has 12 divisors (see below), whose sum is σ = 6990672. Its totient is φ = 3130776.

The previous prime is 4767899. The next prime is 4767947. The reversal of 4767921 is 1297674.

It is a happy number.

It is not a de Polignac number, because 4767921 - 2⁹ = 4767409 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4767121) 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, 3351 + ... + 4556.

It is an arithmetic number, because the mean of its divisors is an integer number (582556).

Almost surely, 2^4767921 is an apocalyptic number.

It is an amenable number.

4767921 is a deficient number, since it is larger than the sum of its proper divisors (2222751).

4767921 is a wasteful number, since it uses less digits than its factorization.

4767921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980 (or 7977 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 4767921 is about 2183.5569605577. The cubic root of 4767921 is about 168.3099084048.

The spelling of 4767921 in words is "four million, seven hundred sixty-seven thousand, nine hundred twenty-one".