84087344 has 20 divisors (see below), whose sum is σ = 177730440. Its totient is φ = 38221440.

The previous prime is 84087343. The next prime is 84087397. The reversal of 84087344 is 44378048.

It is a junction number, because it is equal to n+sod(n) for n = 84087298 and 84087307.

It is not an unprimeable number, because it can be changed into a prime (84087343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238709 + ... + 239060.

It is an arithmetic number, because the mean of its divisors is an integer number (8886522).

Almost surely, 2^84087344 is an apocalyptic number.

It is an amenable number.

84087344 is an abundant number, since it is smaller than the sum of its proper divisors (93643096).

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

84087344 is a wasteful number, since it uses less digits than its factorization.

84087344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477788 (or 477782 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 84087344 is about 9169.9151577318. The cubic root of 84087344 is about 438.1036569301.

The spelling of 84087344 in words is "eighty-four million, eighty-seven thousand, three hundred forty-four".