42884020 has 24 divisors (see below), whose sum is σ = 91403424. Its totient is φ = 16897056.

The previous prime is 42883957. The next prime is 42884033. The reversal of 42884020 is 2048824.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42884020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14662 + ... + 17341.

It is an arithmetic number, because the mean of its divisors is an integer number (3808476).

Almost surely, 2^42884020 is an apocalyptic number.

It is an amenable number.

42884020 is an abundant number, since it is smaller than the sum of its proper divisors (48519404).

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

42884020 is a wasteful number, since it uses less digits than its factorization.

42884020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32079 (or 32077 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 42884020 is about 6548.5891610331. The cubic root of 42884020 is about 350.0245424967.

It can be divided in two parts, 428 and 84020, that added together give a palindrome (84448).

The spelling of 42884020 in words is "forty-two million, eight hundred eighty-four thousand, twenty".