42847854 has 48 divisors (see below), whose sum is σ = 105563088. Its totient is φ = 11520768.

The previous prime is 42847853. The next prime is 42847913. The reversal of 42847854 is 45874824.

It is a Harshad number since it is a multiple of its sum of digits (42).

42847854 is a modest number, since divided by 7854 gives 4284 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42847853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (2199231).

Almost surely, 2^42847854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42847854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52781544).

42847854 is an abundant number, since it is smaller than the sum of its proper divisors (62715234).

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

42847854 is a wasteful number, since it uses less digits than its factorization.

42847854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8609 (or 8602 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 42847854 is about 6545.8272204512. The cubic root of 42847854 is about 349.9261177385.

The spelling of 42847854 in words is "forty-two million, eight hundred forty-seven thousand, eight hundred fifty-four".