4294421 has 8 divisors (see below), whose sum is σ = 4578840. Its totient is φ = 4013568.

The previous prime is 4294417. The next prime is 4294439. The reversal of 4294421 is 1244924.

It can be written as a sum of positive squares in 4 ways, for example, as 2002225 + 2292196 = 1415^2 + 1514^2 .

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 4294421 - 2² = 4294417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4294441) 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, 1865 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (572355).

Almost surely, 2^4294421 is an apocalyptic number.

It is an amenable number.

4294421 is a deficient number, since it is larger than the sum of its proper divisors (284419).

4294421 is a wasteful number, since it uses less digits than its factorization.

4294421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its digits is 2304, while the sum is 26.

The square root of 4294421 is about 2072.2984823620. The cubic root of 4294421 is about 162.5429756157.

The spelling of 4294421 in words is "four million, two hundred ninety-four thousand, four hundred twenty-one".