65906 has 8 divisors (see below), whose sum is σ = 102144. Its totient is φ = 31860.

The previous prime is 65899. The next prime is 65921. The reversal of 65906 is 60956.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (12768).

2⁶⁵⁹⁰⁶ is an apocalyptic number.

65906 is a deficient number, since it is larger than the sum of its proper divisors (36238).

65906 is a wasteful number, since it uses less digits than its factorization.

65906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 65906 is about 256.7216391347. The cubic root of 65906 is about 40.3932054057.

Subtracting from 65906 its reverse (60956), we obtain a triangular number (4950 = T₉₉).

The spelling of 65906 in words is "sixty-five thousand, nine hundred six".