365973841 has 4 divisors (see below), whose sum is σ = 387501732. Its totient is φ = 344445952.

The previous prime is 365973833. The next prime is 365973857. The reversal of 365973841 is 148379563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148379563 = 71 ⋅2089853.

It can be written as a sum of positive squares in 2 ways, for example, as 101586241 + 264387600 = 10079^2 + 16260^2 .

It is a cyclic number.

It is not a de Polignac number, because 365973841 - 2³ = 365973833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 365973791 and 365973800.

It is not an unprimeable number, because it can be changed into a prime (365973821) 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, 10763920 + ... + 10763953.

It is an arithmetic number, because the mean of its divisors is an integer number (96875433).

Almost surely, 2^365973841 is an apocalyptic number.

It is an amenable number.

365973841 is a deficient number, since it is larger than the sum of its proper divisors (21527891).

365973841 is a wasteful number, since it uses less digits than its factorization.

365973841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21527890.

The product of its digits is 544320, while the sum is 46.

The square root of 365973841 is about 19130.4427810754. The cubic root of 365973841 is about 715.2919674146.

The spelling of 365973841 in words is "three hundred sixty-five million, nine hundred seventy-three thousand, eight hundred forty-one".