84487458 has 16 divisors (see below), whose sum is σ = 184336416. Its totient is φ = 25602240.

The previous prime is 84487453. The next prime is 84487477. The reversal of 84487458 is 85478448.

It is not an unprimeable number, because it can be changed into a prime (84487451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639991 + ... + 640122.

It is an arithmetic number, because the mean of its divisors is an integer number (11521026).

Almost surely, 2^84487458 is an apocalyptic number.

84487458 is an abundant number, since it is smaller than the sum of its proper divisors (99848958).

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

84487458 is a wasteful number, since it uses less digits than its factorization.

84487458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280129.

The product of its digits is 1146880, while the sum is 48.

The square root of 84487458 is about 9191.7059352440. The cubic root of 84487458 is about 438.7974359634.

The spelling of 84487458 in words is "eighty-four million, four hundred eighty-seven thousand, four hundred fifty-eight".