84579452 has 24 divisors (see below), whose sum is σ = 151998000. Its totient is φ = 41158656.

The previous prime is 84579449. The next prime is 84579463. The reversal of 84579452 is 25497548.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59324 + ... + 60732.

It is an arithmetic number, because the mean of its divisors is an integer number (6333250).

Almost surely, 2^84579452 is an apocalyptic number.

It is an amenable number.

84579452 is a deficient number, since it is larger than the sum of its proper divisors (67418548).

84579452 is a wasteful number, since it uses less digits than its factorization.

84579452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1803 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 84579452 is about 9196.7087591159. The cubic root of 84579452 is about 438.9566394320.

The spelling of 84579452 in words is "eighty-four million, five hundred seventy-nine thousand, four hundred fifty-two".