368788261 has 4 divisors (see below), whose sum is σ = 371263500. Its totient is φ = 366313024.

The previous prime is 368788247. The next prime is 368788289. The reversal of 368788261 is 162887863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 215796100 + 152992161 = 14690^2 + 12369^2 .

It is a cyclic number.

It is not a de Polignac number, because 368788261 - 2¹¹ = 368786213 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368788201) 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, 1237396 + ... + 1237693.

It is an arithmetic number, because the mean of its divisors is an integer number (92815875).

Almost surely, 2^368788261 is an apocalyptic number.

It is an amenable number.

368788261 is a deficient number, since it is larger than the sum of its proper divisors (2475239).

368788261 is a wasteful number, since it uses less digits than its factorization.

368788261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475238.

The product of its digits is 774144, while the sum is 49.

The square root of 368788261 is about 19203.8605754156. The cubic root of 368788261 is about 717.1208717895.

The spelling of 368788261 in words is "three hundred sixty-eight million, seven hundred eighty-eight thousand, two hundred sixty-one".