365438 has 8 divisors (see below), whose sum is σ = 555888. Its totient is φ = 180144.

The previous prime is 365423. The next prime is 365441. The reversal of 365438 is 834563.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 365438.

It is a congruent number.

It is an unprimeable number.

365438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (69486).

2³⁶⁵⁴³⁸ is an apocalyptic number.

365438 is a deficient number, since it is larger than the sum of its proper divisors (190450).

365438 is a wasteful number, since it uses less digits than its factorization.

365438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578.

The product of its digits is 8640, while the sum is 29.

The square root of 365438 is about 604.5146813767. The cubic root of 365438 is about 71.4942698393.

The spelling of 365438 in words is "three hundred sixty-five thousand, four hundred thirty-eight".