4379921 has 8 divisors (see below), whose sum is σ = 5390784. Its totient is φ = 3465360.

The previous prime is 4379917. The next prime is 4379923. The reversal of 4379921 is 1299734.

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 4379921 - 2² = 4379917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4379923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23975 + ... + 24156.

It is an arithmetic number, because the mean of its divisors is an integer number (673848).

Almost surely, 2^4379921 is an apocalyptic number.

It is an amenable number.

4379921 is a deficient number, since it is larger than the sum of its proper divisors (1010863).

4379921 is a wasteful number, since it uses less digits than its factorization.

4379921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48151.

The product of its digits is 13608, while the sum is 35.

The square root of 4379921 is about 2092.8260797305. The cubic root of 4379921 is about 163.6146141220.

The spelling of 4379921 in words is "four million, three hundred seventy-nine thousand, nine hundred twenty-one".