420863862 has 8 divisors (see below), whose sum is σ = 841727736. Its totient is φ = 140287952.

The previous prime is 420863837. The next prime is 420863879. The reversal of 420863862 is 268368024.

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

420863862 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 420863862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35071983 + ... + 35071994.

It is an arithmetic number, because the mean of its divisors is an integer number (105215967).

Almost surely, 2^420863862 is an apocalyptic number.

420863862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420863862 is a wasteful number, since it uses less digits than its factorization.

420863862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70143982.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 420863862 is about 20514.9667803777. The cubic root of 420863862 is about 749.4003277632.

The spelling of 420863862 in words is "four hundred twenty million, eight hundred sixty-three thousand, eight hundred sixty-two".