84727944 has 80 divisors (see below), whose sum is σ = 271233600. Its totient is φ = 24206688.

The previous prime is 84727943. The next prime is 84727957. The reversal of 84727944 is 44972748.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 84727944.

It is not an unprimeable number, because it can be changed into a prime (84727943) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4804 + ... + 13875.

It is an arithmetic number, because the mean of its divisors is an integer number (3390420).

Almost surely, 2^84727944 is an apocalyptic number.

84727944 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84727944 is an abundant number, since it is smaller than the sum of its proper divisors (186505656).

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

84727944 is a wasteful number, since it uses less digits than its factorization.

84727944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18704 (or 18691 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 84727944 is about 9204.7783243270. The cubic root of 84727944 is about 439.2133741336.

The spelling of 84727944 in words is "eighty-four million, seven hundred twenty-seven thousand, nine hundred forty-four".