421799041 has 4 divisors (see below), whose sum is σ = 421848000. Its totient is φ = 421750084.

The previous prime is 421799023. The next prime is 421799057. The reversal of 421799041 is 140997124.

It is the 8385-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 421799041 - 2¹³ = 421790849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421799071) 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, 7741 + ... + 30058.

It is an arithmetic number, because the mean of its divisors is an integer number (105462000).

Almost surely, 2^421799041 is an apocalyptic number.

It is an amenable number.

421799041 is a deficient number, since it is larger than the sum of its proper divisors (48959).

421799041 is a wasteful number, since it uses less digits than its factorization.

421799041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48958.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 421799041 is about 20537.7467361928. The cubic root of 421799041 is about 749.9549845575.

The spelling of 421799041 in words is "four hundred twenty-one million, seven hundred ninety-nine thousand, forty-one".