381593 has 8 divisors (see below), whose sum is σ = 407808. Its totient is φ = 356224.

The previous prime is 381569. The next prime is 381607. The reversal of 381593 is 395183.

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

It is not a de Polignac number, because 381593 - 2⁶ = 381529 is a prime.

It is a super-2 number, since 2×381593² = 291226435298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381523) 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, 905 + ... + 1257.

It is an arithmetic number, because the mean of its divisors is an integer number (50976).

2³⁸¹⁵⁹³ is an apocalyptic number.

It is an amenable number.

381593 is a deficient number, since it is larger than the sum of its proper divisors (26215).

381593 is a wasteful number, since it uses less digits than its factorization.

381593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 3240, while the sum is 29.

The square root of 381593 is about 617.7321425990. The cubic root of 381593 is about 72.5326369111.

The spelling of 381593 in words is "three hundred eighty-one thousand, five hundred ninety-three".