383272987 has 2 divisors, whose sum is σ = 383272988. Its totient is φ = 383272986.

The previous prime is 383272913. The next prime is 383273029. The reversal of 383272987 is 789272383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 383272987 - 2¹⁵ = 383240219 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 383272987.

It is not a weakly prime, because it can be changed into another prime (383272907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191636493 + 191636494.

It is an arithmetic number, because the mean of its divisors is an integer number (191636494).

Almost surely, 2^383272987 is an apocalyptic number.

383272987 is a deficient number, since it is larger than the sum of its proper divisors (1).

383272987 is an equidigital number, since it uses as much as digits as its factorization.

383272987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 383272987 is about 19577.3590404835. The cubic root of 383272987 is about 726.3892423819.

It can be divided in two parts, 38327 and 2987, that added together give a palindrome (41314).

The spelling of 383272987 in words is "three hundred eighty-three million, two hundred seventy-two thousand, nine hundred eighty-seven".