84445460 has 96 divisors (see below), whose sum is σ = 208510848. Its totient is φ = 28385280.

The previous prime is 84445447. The next prime is 84445463. The reversal of 84445460 is 6454448.

It is a super-2 number, since 2×84445460² = 14262071429223200, 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 84445460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84445463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250412 + ... + 250748.

It is an arithmetic number, because the mean of its divisors is an integer number (2171988).

Almost surely, 2^84445460 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 84445460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104255424).

84445460 is an abundant number, since it is smaller than the sum of its proper divisors (124065388).

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

84445460 is a wasteful number, since it uses less digits than its factorization.

84445460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 84445460 is about 9189.4210916684. The cubic root of 84445460 is about 438.7247164160.

It can be divided in two parts, 84 and 445460, that added together give a palindrome (445544).

The spelling of 84445460 in words is "eighty-four million, four hundred forty-five thousand, four hundred sixty".