365906 has 4 divisors (see below), whose sum is σ = 548862. Its totient is φ = 182952.

The previous prime is 365903. The next prime is 365929. The reversal of 365906 is 609563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 609563 = 389 ⋅1567.

It can be written as a sum of positive squares in only one way, i.e., 354025 + 11881 = 595^2 + 109^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365906.

It is not an unprimeable number, because it can be changed into a prime (365903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91475 + ... + 91478.

2³⁶⁵⁹⁰⁶ is an apocalyptic number.

365906 is a deficient number, since it is larger than the sum of its proper divisors (182956).

365906 is a wasteful number, since it uses less digits than its factorization.

365906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182955.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 365906 is about 604.9016448977. The cubic root of 365906 is about 71.5247766513.

The spelling of 365906 in words is "three hundred sixty-five thousand, nine hundred six".