424413021 has 8 divisors (see below), whose sum is σ = 573636160. Its totient is φ = 279065952.

The previous prime is 424413001. The next prime is 424413097. The reversal of 424413021 is 120314424.

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

It is not a de Polignac number, because 424413021 - 2⁷ = 424412893 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 (424413001) 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, 968761 + ... + 969198.

It is an arithmetic number, because the mean of its divisors is an integer number (71704520).

Almost surely, 2^424413021 is an apocalyptic number.

It is an amenable number.

424413021 is a deficient number, since it is larger than the sum of its proper divisors (149223139).

424413021 is a wasteful number, since it uses less digits than its factorization.

424413021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938035.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 424413021 is about 20601.2868772803. The cubic root of 424413021 is about 751.5010064134.

Adding to 424413021 its reverse (120314424), we get a palindrome (544727445).

The spelling of 424413021 in words is "four hundred twenty-four million, four hundred thirteen thousand, twenty-one".