84197652 has 96 divisors (see below), whose sum is σ = 246564864. Its totient is φ = 21724800.

The previous prime is 84197639. The next prime is 84197653. The reversal of 84197652 is 25679148.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84197653) 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, 270577 + ... + 270887.

It is an arithmetic number, because the mean of its divisors is an integer number (2568384).

Almost surely, 2^84197652 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 84197652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123282432).

84197652 is an abundant number, since it is smaller than the sum of its proper divisors (162367212).

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

84197652 is a wasteful number, since it uses less digits than its factorization.

84197652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 627 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 84197652 is about 9175.9278549910. The cubic root of 84197652 is about 438.2951452062.

The spelling of 84197652 in words is "eighty-four million, one hundred ninety-seven thousand, six hundred fifty-two".