381613693 has 8 divisors (see below), whose sum is σ = 384640256. Its totient is φ = 378594000.

The previous prime is 381613679. The next prime is 381613699. The reversal of 381613693 is 396316183.

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

It is a cyclic number.

It is not a de Polignac number, because 381613693 - 2¹³ = 381605501 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 (381613699) 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, 184855 + ... + 186907.

It is an arithmetic number, because the mean of its divisors is an integer number (48080032).

Almost surely, 2^381613693 is an apocalyptic number.

It is an amenable number.

381613693 is a deficient number, since it is larger than the sum of its proper divisors (3026563).

381613693 is a wasteful number, since it uses less digits than its factorization.

381613693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435.

The product of its digits is 69984, while the sum is 40.

The square root of 381613693 is about 19534.9351931354. The cubic root of 381613693 is about 725.3394798570.

The spelling of 381613693 in words is "three hundred eighty-one million, six hundred thirteen thousand, six hundred ninety-three".