4118421 has 8 divisors (see below), whose sum is σ = 5780320. Its totient is φ = 2601072.

The previous prime is 4118419. The next prime is 4118467. The reversal of 4118421 is 1248114.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4118421 - 2¹ = 4118419 is a prime.

It is a super-2 number, since 2×4118421² = 33922783066482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4118321) 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, 36070 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (722540).

Almost surely, 2^4118421 is an apocalyptic number.

It is an amenable number.

4118421 is a deficient number, since it is larger than the sum of its proper divisors (1661899).

4118421 is a wasteful number, since it uses less digits than its factorization.

4118421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72275.

The product of its digits is 256, while the sum is 21.

The square root of 4118421 is about 2029.3893170114. The cubic root of 4118421 is about 160.2914090368.

The spelling of 4118421 in words is "four million, one hundred eighteen thousand, four hundred twenty-one".