84281944 has 16 divisors (see below), whose sum is σ = 158130720. Its totient is φ = 42113760.

The previous prime is 84281941. The next prime is 84281947. The reversal of 84281944 is 44918248.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84281941) and next prime (84281947).

It is a junction number, because it is equal to n+sod(n) for n = 84281897 and 84281906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84281941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16854 + ... + 21274.

It is an arithmetic number, because the mean of its divisors is an integer number (9883170).

Almost surely, 2^84281944 is an apocalyptic number.

It is an amenable number.

84281944 is a deficient number, since it is larger than the sum of its proper divisors (73848776).

84281944 is a wasteful number, since it uses less digits than its factorization.

84281944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810 (or 6806 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 84281944 is about 9180.5198109911. The cubic root of 84281944 is about 438.4413585175.

The spelling of 84281944 in words is "eighty-four million, two hundred eighty-one thousand, nine hundred forty-four".