548397942 has 16 divisors (see below), whose sum is σ = 1126439472. Its totient is φ = 177858720.

The previous prime is 548397937. The next prime is 548397953. The reversal of 548397942 is 249793845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234909 + ... + 1235352.

It is an arithmetic number, because the mean of its divisors is an integer number (70402467).

Almost surely, 2^548397942 is an apocalyptic number.

548397942 is an abundant number, since it is smaller than the sum of its proper divisors (578041530).

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

548397942 is a wasteful number, since it uses less digits than its factorization.

548397942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470303.

The product of its digits is 2177280, while the sum is 51.

The square root of 548397942 is about 23417.8978988294. The cubic root of 548397942 is about 818.5249816769.

The spelling of 548397942 in words is "five hundred forty-eight million, three hundred ninety-seven thousand, nine hundred forty-two".