84549378 has 16 divisors (see below), whose sum is σ = 169351776. Its totient is φ = 28140960.

The previous prime is 84549359. The next prime is 84549401. The reversal of 84549378 is 87394548.

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, 6051 + ... + 14342.

It is an arithmetic number, because the mean of its divisors is an integer number (10584486).

Almost surely, 2^84549378 is an apocalyptic number.

84549378 is an abundant number, since it is smaller than the sum of its proper divisors (84802398).

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

84549378 is a wasteful number, since it uses less digits than its factorization.

84549378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21089.

The product of its digits is 967680, while the sum is 48.

The square root of 84549378 is about 9195.0735722995. The cubic root of 84549378 is about 438.9046065146.

The spelling of 84549378 in words is "eighty-four million, five hundred forty-nine thousand, three hundred seventy-eight".