382256731 has 4 divisors (see below), whose sum is σ = 392588032. Its totient is φ = 371925432.

The previous prime is 382256729. The next prime is 382256737. The reversal of 382256731 is 137652283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137652283 = 19 ⋅7244857.

It is a cyclic number.

It is not a de Polignac number, because 382256731 - 2¹ = 382256729 is a prime.

It is a super-2 number, since 2×382256731² = 292240416789612722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 10331263 = 382256731 / (3 + 8 + 2 + 2 + 5 + 6 + 7 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382256737) 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, 5165595 + ... + 5165668.

It is an arithmetic number, because the mean of its divisors is an integer number (98147008).

Almost surely, 2^382256731 is an apocalyptic number.

382256731 is a deficient number, since it is larger than the sum of its proper divisors (10331301).

382256731 is a wasteful number, since it uses less digits than its factorization.

382256731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10331300.

The product of its digits is 60480, while the sum is 37.

The square root of 382256731 is about 19551.3869329007. The cubic root of 382256731 is about 725.7466622348.

The spelling of 382256731 in words is "three hundred eighty-two million, two hundred fifty-six thousand, seven hundred thirty-one".