383609901 has 4 divisors (see below), whose sum is σ = 511479872. Its totient is φ = 255739932.

The previous prime is 383609881. The next prime is 383610011. The reversal of 383609901 is 109906383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 383609901 - 2⁵ = 383609869 is a prime.

It is a super-2 number, since 2×383609901² = 294313112290459602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 383609901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383609201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63934981 + ... + 63934986.

It is an arithmetic number, because the mean of its divisors is an integer number (127869968).

Almost surely, 2^383609901 is an apocalyptic number.

It is an amenable number.

383609901 is a deficient number, since it is larger than the sum of its proper divisors (127869971).

383609901 is a wasteful number, since it uses less digits than its factorization.

383609901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127869970.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 383609901 is about 19585.9618349470. The cubic root of 383609901 is about 726.6020228619.

The spelling of 383609901 in words is "three hundred eighty-three million, six hundred nine thousand, nine hundred one".