381735 has 24 divisors (see below), whose sum is σ = 702000. Its totient is φ = 191232.

The previous prime is 381713. The next prime is 381737. The reversal of 381735 is 537183.

It is not a de Polignac number, because 381735 - 2⁷ = 381607 is a prime.

It is a super-2 number, since 2×381735² = 291443220450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381699 and 381708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (29250).

2³⁸¹⁷³⁵ is an apocalyptic number.

381735 is a deficient number, since it is larger than the sum of its proper divisors (320265).

381735 is a wasteful number, since it uses less digits than its factorization.

381735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 524 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 381735 is about 617.8470684563. The cubic root of 381735 is about 72.5416328458.

The spelling of 381735 in words is "three hundred eighty-one thousand, seven hundred thirty-five".