84245436 has 72 divisors (see below), whose sum is σ = 233578800. Its totient is φ = 25390080.

The previous prime is 84245429. The next prime is 84245437. The reversal of 84245436 is 63454248.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 84245436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84245437) 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, 90220 + ... + 91148.

It is an arithmetic number, because the mean of its divisors is an integer number (3244150).

Almost surely, 2^84245436 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 84245436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116789400).

84245436 is an abundant number, since it is smaller than the sum of its proper divisors (149333364).

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

84245436 is a wasteful number, since it uses less digits than its factorization.

84245436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1174 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 84245436 is about 9178.5312550538. The cubic root of 84245436 is about 438.3780435374.

It can be divided in two parts, 84245 and 436, that added together give a square (84681 = 291²).

The spelling of 84245436 in words is "eighty-four million, two hundred forty-five thousand, four hundred thirty-six".