4059921 has 8 divisors (see below), whose sum is σ = 5423040. Its totient is φ = 2701712.

The previous prime is 4059919. The next prime is 4059947. The reversal of 4059921 is 1299504.

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 4059921 - 2¹ = 4059919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4059221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (677880).

Almost surely, 2^4059921 is an apocalyptic number.

It is an amenable number.

4059921 is a deficient number, since it is larger than the sum of its proper divisors (1363119).

4059921 is a wasteful number, since it uses less digits than its factorization.

4059921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 4059921 is about 2014.9245643448. The cubic root of 4059921 is about 159.5288352397.

The spelling of 4059921 in words is "four million, fifty-nine thousand, nine hundred twenty-one".