421711039 has 4 divisors (see below), whose sum is σ = 421924000. Its totient is φ = 421498080.

The previous prime is 421711033. The next prime is 421711051. The reversal of 421711039 is 930117124.

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 421711039 - 2⁵ = 421711007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421710998 and 421711016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421711033) 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, 103482 + ... + 107479.

It is an arithmetic number, because the mean of its divisors is an integer number (105481000).

Almost surely, 2^421711039 is an apocalyptic number.

421711039 is a deficient number, since it is larger than the sum of its proper divisors (212961).

421711039 is a wasteful number, since it uses less digits than its factorization.

421711039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212960.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 421711039 is about 20535.6041790837. The cubic root of 421711039 is about 749.9028253359.

The spelling of 421711039 in words is "four hundred twenty-one million, seven hundred eleven thousand, thirty-nine".