365842 has 4 divisors (see below), whose sum is σ = 548766. Its totient is φ = 182920.

The previous prime is 365839. The next prime is 365851. The reversal of 365842 is 248563.

365842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248563 = 7 ⋅35509.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 53361 = 559^2 + 231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 365842.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91459 + ... + 91462.

2³⁶⁵⁸⁴² is an apocalyptic number.

365842 is a deficient number, since it is larger than the sum of its proper divisors (182924).

365842 is a wasteful number, since it uses less digits than its factorization.

365842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182923.

The product of its digits is 5760, while the sum is 28.

The square root of 365842 is about 604.8487414222. The cubic root of 365842 is about 71.5206063156.

The spelling of 365842 in words is "three hundred sixty-five thousand, eight hundred forty-two".