539967 has 4 divisors (see below), whose sum is σ = 719960. Its totient is φ = 359976.

The previous prime is 539947. The next prime is 539993. The reversal of 539967 is 769935.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 539967 - 2⁷ = 539839 is a prime.

It is a super-2 number, since 2×539967² = 583128722178, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5 + 3¹² + 9 + 9³ + 6⁵ + 7 .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539947) 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, 89992 + ... + 89997.

It is an arithmetic number, because the mean of its divisors is an integer number (179990).

2⁵³⁹⁹⁶⁷ is an apocalyptic number.

539967 is a deficient number, since it is larger than the sum of its proper divisors (179993).

539967 is a wasteful number, since it uses less digits than its factorization.

539967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179992.

The product of its digits is 51030, while the sum is 39.

The square root of 539967 is about 734.8244688359. The cubic root of 539967 is about 81.4308696533.

The spelling of 539967 in words is "five hundred thirty-nine thousand, nine hundred sixty-seven".