4743921 has 16 divisors (see below), whose sum is σ = 7785344. Its totient is φ = 2502144.

The previous prime is 4743887. The next prime is 4743923. The reversal of 4743921 is 1293474.

It is a happy number.

It is not a de Polignac number, because 4743921 - 2⁶ = 4743857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4743923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8416 + ... + 8961.

It is an arithmetic number, because the mean of its divisors is an integer number (486584).

Almost surely, 2^4743921 is an apocalyptic number.

It is an amenable number.

4743921 is a deficient number, since it is larger than the sum of its proper divisors (3041423).

4743921 is a wasteful number, since it uses less digits than its factorization.

4743921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17400.

The product of its digits is 6048, while the sum is 30.

The square root of 4743921 is about 2178.0544070339. The cubic root of 4743921 is about 168.0270293812.

The spelling of 4743921 in words is "four million, seven hundred forty-three thousand, nine hundred twenty-one".