4024284421 has 4 divisors (see below), whose sum is σ = 4261007052. Its totient is φ = 3787561792.

The previous prime is 4024284409. The next prime is 4024284427. The reversal of 4024284421 is 1244824204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2294889025 + 1729395396 = 47905^2 + 41586^2 .

It is a cyclic number.

It is not a de Polignac number, because 4024284421 - 2⁷ = 4024284293 is a prime.

It is a super-2 number, since 2×4024284421² = 32389730202206610482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4024284427) 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, 118361290 + ... + 118361323.

It is an arithmetic number, because the mean of its divisors is an integer number (1065251763).

Almost surely, 2^4024284421 is an apocalyptic number.

It is an amenable number.

4024284421 is a deficient number, since it is larger than the sum of its proper divisors (236722631).

4024284421 is a wasteful number, since it uses less digits than its factorization.

4024284421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236722630.

The product of its (nonzero) digits is 16384, while the sum is 31.

The square root of 4024284421 is about 63437.2478990065. The cubic root of 4024284421 is about 1590.6069991008.

The spelling of 4024284421 in words is "four billion, twenty-four million, two hundred eighty-four thousand, four hundred twenty-one".