378383233 has 12 divisors (see below), whose sum is σ = 403867620. Its totient is φ = 354410496.

The previous prime is 378383231. The next prime is 378383249. The reversal of 378383233 is 332383873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 165456769 + 212926464 = 12863^2 + 14592^2 .

It is not a de Polignac number, because 378383233 - 2¹ = 378383231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378383231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26241 + ... + 38017.

It is an arithmetic number, because the mean of its divisors is an integer number (33655635).

Almost surely, 2^378383233 is an apocalyptic number.

It is an amenable number.

378383233 is a deficient number, since it is larger than the sum of its proper divisors (25484387).

378383233 is a wasteful number, since it uses less digits than its factorization.

378383233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11904 (or 11885 counting only the distinct ones).

The product of its digits is 217728, while the sum is 40.

The square root of 378383233 is about 19452.0752877424. The cubic root of 378383233 is about 723.2869475282.

The spelling of 378383233 in words is "three hundred seventy-eight million, three hundred eighty-three thousand, two hundred thirty-three".