84655944 has 72 divisors (see below), whose sum is σ = 242053110. Its totient is φ = 26725248.

The previous prime is 84655931. The next prime is 84655957. The reversal of 84655944 is 44955648.

It is an interprime number because it is at equal distance from previous prime (84655931) and next prime (84655957).

It can be written as a sum of positive squares in only one way, i.e., 58339044 + 26316900 = 7638^2 + 5130^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×84655944² = 14333257709062272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84655944.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24364 + ... + 27620.

Almost surely, 2^84655944 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 84655944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121026555).

84655944 is an abundant number, since it is smaller than the sum of its proper divisors (157397166).

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

84655944 is a wasteful number, since it uses less digits than its factorization.

84655944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307 (or 3281 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 84655944 is about 9200.8664809354. The cubic root of 84655944 is about 439.0889274899.

The spelling of 84655944 in words is "eighty-four million, six hundred fifty-five thousand, nine hundred forty-four".