421303479 has 4 divisors (see below), whose sum is σ = 561737976. Its totient is φ = 280868984.

The previous prime is 421303429. The next prime is 421303481. The reversal of 421303479 is 974303124.

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

It is a cyclic number.

It is not a de Polignac number, because 421303479 - 2¹¹ = 421301431 is a prime.

It is a super-3 number, since 3×421303479³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421303409) 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, 70217244 + ... + 70217249.

It is an arithmetic number, because the mean of its divisors is an integer number (140434494).

Almost surely, 2^421303479 is an apocalyptic number.

421303479 is a deficient number, since it is larger than the sum of its proper divisors (140434497).

421303479 is a wasteful number, since it uses less digits than its factorization.

421303479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140434496.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 421303479 is about 20525.6785271523. The cubic root of 421303479 is about 749.6611678356.

The spelling of 421303479 in words is "four hundred twenty-one million, three hundred three thousand, four hundred seventy-nine".