382540787 has 4 divisors (see below), whose sum is σ = 383101560. Its totient is φ = 381980016.

The previous prime is 382540777. The next prime is 382540789. The reversal of 382540787 is 787045283.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 382540787 - 2⁶ = 382540723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382540789) 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, 279362 + ... + 280727.

It is an arithmetic number, because the mean of its divisors is an integer number (95775390).

Almost surely, 2^382540787 is an apocalyptic number.

382540787 is a deficient number, since it is larger than the sum of its proper divisors (560773).

382540787 is an equidigital number, since it uses as much as digits as its factorization.

382540787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560772.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 382540787 is about 19558.6499278452. The cubic root of 382540787 is about 725.9263858202.

The spelling of 382540787 in words is "three hundred eighty-two million, five hundred forty thousand, seven hundred eighty-seven".