548971386 has 16 divisors (see below), whose sum is σ = 1124722368. Its totient is φ = 178527200.

The previous prime is 548971321. The next prime is 548971393. The reversal of 548971386 is 683179845.

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, 1115550 + ... + 1116041.

It is an arithmetic number, because the mean of its divisors is an integer number (70295148).

Almost surely, 2^548971386 is an apocalyptic number.

548971386 is an abundant number, since it is smaller than the sum of its proper divisors (575750982).

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

548971386 is a wasteful number, since it uses less digits than its factorization.

548971386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231637.

The product of its digits is 1451520, while the sum is 51.

The square root of 548971386 is about 23430.1384118831. The cubic root of 548971386 is about 818.8101849898.

The spelling of 548971386 in words is "five hundred forty-eight million, nine hundred seventy-one thousand, three hundred eighty-six".