42284808 has 64 divisors (see below), whose sum is σ = 118276800. Its totient is φ = 13996800.

The previous prime is 42284807. The next prime is 42284843. The reversal of 42284808 is 80848224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42284807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34608 + ... + 35808.

It is an arithmetic number, because the mean of its divisors is an integer number (1848075).

Almost surely, 2^42284808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42284808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59138400).

42284808 is an abundant number, since it is smaller than the sum of its proper divisors (75991992).

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

42284808 is a wasteful number, since it uses less digits than its factorization.

42284808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 42284808 is about 6502.6769872107. The cubic root of 42284808 is about 348.3866095772.

The spelling of 42284808 in words is "forty-two million, two hundred eighty-four thousand, eight hundred eight".