364981 has 4 divisors (see below), whose sum is σ = 367200. Its totient is φ = 362764.

The previous prime is 364979. The next prime is 364993. The reversal of 364981 is 189463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 364981 - 2¹ = 364979 is a prime.

It is a super-2 number, since 2×364981² = 266422260722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

364981 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364921) 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, 841 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2³⁶⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

364981 is a deficient number, since it is larger than the sum of its proper divisors (2219).

364981 is a wasteful number, since it uses less digits than its factorization.

364981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218.

The product of its digits is 5184, while the sum is 31.

The square root of 364981 is about 604.1365739632. The cubic root of 364981 is about 71.4644549226.

The spelling of 364981 in words is "three hundred sixty-four thousand, nine hundred eighty-one".