383958641 has 4 divisors (see below), whose sum is σ = 418863984. Its totient is φ = 349053300.

The previous prime is 383958613. The next prime is 383958661. The reversal of 383958641 is 146859383.

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 a cyclic number.

It is not a de Polignac number, because 383958641 - 2¹⁸ = 383696497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (383958661) 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, 17452655 + ... + 17452676.

It is an arithmetic number, because the mean of its divisors is an integer number (104715996).

Almost surely, 2^383958641 is an apocalyptic number.

It is an amenable number.

383958641 is a deficient number, since it is larger than the sum of its proper divisors (34905343).

383958641 is a wasteful number, since it uses less digits than its factorization.

383958641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34905342.

The product of its digits is 622080, while the sum is 47.

The square root of 383958641 is about 19594.8626175332. The cubic root of 383958641 is about 726.8221409561.

The spelling of 383958641 in words is "three hundred eighty-three million, nine hundred fifty-eight thousand, six hundred forty-one".