4750921 has 8 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 4062048.

The previous prime is 4750919. The next prime is 4750927. The reversal of 4750921 is 1290574.

It is a happy number.

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 4750921 - 2¹ = 4750919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4750921.

It is not an unprimeable number, because it can be changed into a prime (4750927) 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, 4005 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^4750921 is an apocalyptic number.

It is an amenable number.

4750921 is a deficient number, since it is larger than the sum of its proper divisors (692279).

4750921 is a wasteful number, since it uses less digits than its factorization.

4750921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 4750921 is about 2179.6607534201. The cubic root of 4750921 is about 168.1096341268.

It can be divided in two parts, 4750 and 921, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 4750921 in words is "four million, seven hundred fifty thousand, nine hundred twenty-one".