383261997 has 8 divisors (see below), whose sum is σ = 515040256. Its totient is φ = 253495872.

The previous prime is 383261969. The next prime is 383262001. The reversal of 383261997 is 799162383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 383261997 - 2⁷ = 383261869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383266997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502588 + ... + 503349.

It is an arithmetic number, because the mean of its divisors is an integer number (64380032).

Almost surely, 2^383261997 is an apocalyptic number.

It is an amenable number.

383261997 is a deficient number, since it is larger than the sum of its proper divisors (131778259).

383261997 is a wasteful number, since it uses less digits than its factorization.

383261997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006067.

The product of its digits is 489888, while the sum is 48.

The square root of 383261997 is about 19577.0783570992. The cubic root of 383261997 is about 726.3822994680.

The spelling of 383261997 in words is "three hundred eighty-three million, two hundred sixty-one thousand, nine hundred ninety-seven".