420701886 has 24 divisors (see below), whose sum is σ = 994386744. Its totient is φ = 127485360.

The previous prime is 420701881. The next prime is 420701903. The reversal of 420701886 is 688107024.

It is a self number, because there is not a number n which added to its sum of digits gives 420701886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420701881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062181 + ... + 1062576.

It is an arithmetic number, because the mean of its divisors is an integer number (41432781).

Almost surely, 2^420701886 is an apocalyptic number.

420701886 is an abundant number, since it is smaller than the sum of its proper divisors (573684858).

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

420701886 is a wasteful number, since it uses less digits than its factorization.

420701886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124776 (or 2124773 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 420701886 is about 20511.0186485216. The cubic root of 420701886 is about 749.3041759715.

It can be divided in two parts, 42070 and 1886, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 420701886 in words is "four hundred twenty million, seven hundred one thousand, eight hundred eighty-six".