366980881 has 4 divisors (see below), whose sum is σ = 367160832. Its totient is φ = 366800932.

The previous prime is 366980879. The next prime is 366980903. The reversal of 366980881 is 188089663.

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 366980881 - 2¹ = 366980879 is a prime.

It is a super-2 number, since 2×366980881² = 269349934039072322, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (366080881) 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, 86881 + ... + 91006.

It is an arithmetic number, because the mean of its divisors is an integer number (91790208).

Almost surely, 2^366980881 is an apocalyptic number.

It is an amenable number.

366980881 is a deficient number, since it is larger than the sum of its proper divisors (179951).

366980881 is a wasteful number, since it uses less digits than its factorization.

366980881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179950.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 366980881 is about 19156.7450523308. The cubic root of 366980881 is about 715.9474495362.

The spelling of 366980881 in words is "three hundred sixty-six million, nine hundred eighty thousand, eight hundred eighty-one".