548378439 has 32 divisors (see below), whose sum is σ = 854889984. Its totient is φ = 306184320.

The previous prime is 548378423. The next prime is 548378447. The reversal of 548378439 is 934873845.

It is not a de Polignac number, because 548378439 - 2⁴ = 548378423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548378391 and 548378400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548378419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314109 + ... + 315849.

It is an arithmetic number, because the mean of its divisors is an integer number (26715312).

Almost surely, 2^548378439 is an apocalyptic number.

548378439 is a deficient number, since it is larger than the sum of its proper divisors (306511545).

548378439 is a wasteful number, since it uses less digits than its factorization.

548378439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087.

The product of its digits is 2903040, while the sum is 51.

The square root of 548378439 is about 23417.4814828581. The cubic root of 548378439 is about 818.5152783327.

The spelling of 548378439 in words is "five hundred forty-eight million, three hundred seventy-eight thousand, four hundred thirty-nine".