382776245 has 4 divisors (see below), whose sum is σ = 459331500. Its totient is φ = 306220992.

The previous prime is 382776241. The next prime is 382776263. The reversal of 382776245 is 542677283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542677283 = 733 ⋅740351.

It can be written as a sum of positive squares in 2 ways, for example, as 96963409 + 285812836 = 9847^2 + 16906^2 .

It is a cyclic number.

It is not a de Polignac number, because 382776245 - 2² = 382776241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 382776196 and 382776205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382776241) 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, 38277620 + ... + 38277629.

It is an arithmetic number, because the mean of its divisors is an integer number (114832875).

Almost surely, 2^382776245 is an apocalyptic number.

It is an amenable number.

382776245 is a deficient number, since it is larger than the sum of its proper divisors (76555255).

382776245 is an equidigital number, since it uses as much as digits as its factorization.

382776245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76555254.

The product of its digits is 564480, while the sum is 44.

The square root of 382776245 is about 19564.6682823911. The cubic root of 382776245 is about 726.0752937920.

The spelling of 382776245 in words is "three hundred eighty-two million, seven hundred seventy-six thousand, two hundred forty-five".