4059421 has 4 divisors (see below), whose sum is σ = 4063644. Its totient is φ = 4055200.

The previous prime is 4059403. The next prime is 4059439. The reversal of 4059421 is 1249504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (4059403) and next prime (4059439).

It can be written as a sum of positive squares in 2 ways, for example, as 1464100 + 2595321 = 1210^2 + 1611^2 .

It is a cyclic number.

It is not a de Polignac number, because 4059421 - 2⁵ = 4059389 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 (4059221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (1015911).

Almost surely, 2^4059421 is an apocalyptic number.

It is an amenable number.

4059421 is a deficient number, since it is larger than the sum of its proper divisors (4223).

4059421 is a wasteful number, since it uses less digits than its factorization.

4059421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4059421 is about 2014.8004864006. The cubic root of 4059421 is about 159.5222860406.

The spelling of 4059421 in words is "four million, fifty-nine thousand, four hundred twenty-one".