4115421 has 8 divisors (see below), whose sum is σ = 6096960. Its totient is φ = 2743596.

The previous prime is 4115417. The next prime is 4115429. The reversal of 4115421 is 1245114.

It is not a de Polignac number, because 4115421 - 2² = 4115417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4115394 and 4115403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4115429) 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, 76185 + ... + 76238.

It is an arithmetic number, because the mean of its divisors is an integer number (762120).

Almost surely, 2^4115421 is an apocalyptic number.

It is an amenable number.

4115421 is a deficient number, since it is larger than the sum of its proper divisors (1981539).

4115421 is a wasteful number, since it uses less digits than its factorization.

4115421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152432 (or 152426 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 4115421 is about 2028.6500437483. The cubic root of 4115421 is about 160.2524789844.

It can be divided in two parts, 411 and 5421, that added together give a cube (5832 = 18³).

The spelling of 4115421 in words is "four million, one hundred fifteen thousand, four hundred twenty-one".