542067986 has 8 divisors (see below), whose sum is σ = 855896880. Its totient is φ = 256769028.

The previous prime is 542067983. The next prime is 542068003. The reversal of 542067986 is 689760245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542067986.

It is not an unprimeable number, because it can be changed into a prime (542067983) 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, 7132436 + ... + 7132511.

It is an arithmetic number, because the mean of its divisors is an integer number (106987110).

Almost surely, 2^542067986 is an apocalyptic number.

542067986 is a deficient number, since it is larger than the sum of its proper divisors (313828894).

542067986 is a wasteful number, since it uses less digits than its factorization.

542067986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264968.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 542067986 is about 23282.3535322355. The cubic root of 542067986 is about 815.3634751943.

The spelling of 542067986 in words is "five hundred forty-two million, sixty-seven thousand, nine hundred eighty-six".