381435 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 199520.

The previous prime is 381419. The next prime is 381439. The reversal of 381435 is 534183.

381435 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 381435 - 2⁴ = 381419 is a prime.

381435 is strictly pandigital in base 7.

381435 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381435.

It is not an unprimeable number, because it can be changed into a prime (381439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2³⁸¹⁴³⁵ is an apocalyptic number.

381435 is a deficient number, since it is larger than the sum of its proper divisors (240645).

381435 is a wasteful number, since it uses less digits than its factorization.

381435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 1440, while the sum is 24.

The square root of 381435 is about 617.6042422134. The cubic root of 381435 is about 72.5226247264.

The spelling of 381435 in words is "three hundred eighty-one thousand, four hundred thirty-five".