84397452 has 24 divisors (see below), whose sum is σ = 208511856. Its totient is φ = 26477568.

The previous prime is 84397447. The next prime is 84397457. The reversal of 84397452 is 25479348.

It is an interprime number because it is at equal distance from previous prime (84397447) and next prime (84397457).

It is not an unprimeable number, because it can be changed into a prime (84397457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206653 + ... + 207060.

It is an arithmetic number, because the mean of its divisors is an integer number (8687994).

Almost surely, 2^84397452 is an apocalyptic number.

It is an amenable number.

84397452 is an abundant number, since it is smaller than the sum of its proper divisors (124114404).

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

84397452 is a wasteful number, since it uses less digits than its factorization.

84397452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413737 (or 413735 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 84397452 is about 9186.8085862284. The cubic root of 84397452 is about 438.6415610128.

The spelling of 84397452 in words is "eighty-four million, three hundred ninety-seven thousand, four hundred fifty-two".