381652285 has 8 divisors (see below), whose sum is σ = 523408896. Its totient is φ = 261704400.

The previous prime is 381652283. The next prime is 381652303. The reversal of 381652285 is 582256183.

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

It is not a de Polignac number, because 381652285 - 2¹ = 381652283 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 (381652283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5452141 + ... + 5452210.

It is an arithmetic number, because the mean of its divisors is an integer number (65426112).

Almost surely, 2^381652285 is an apocalyptic number.

381652285 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381652285 is a deficient number, since it is larger than the sum of its proper divisors (141756611).

381652285 is a wasteful number, since it uses less digits than its factorization.

381652285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10904363.

The product of its digits is 115200, while the sum is 40.

The square root of 381652285 is about 19535.9229369897. The cubic root of 381652285 is about 725.3639298512.

The spelling of 381652285 in words is "three hundred eighty-one million, six hundred fifty-two thousand, two hundred eighty-five".