381962685 has 32 divisors (see below), whose sum is σ = 661127040. Its totient is φ = 187193088.

The previous prime is 381962677. The next prime is 381962689. The reversal of 381962685 is 586269183.

It is a happy number.

It is not a de Polignac number, because 381962685 - 2³ = 381962677 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381962689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39951 + ... + 48579.

It is an arithmetic number, because the mean of its divisors is an integer number (20660220).

Almost surely, 2^381962685 is an apocalyptic number.

It is an amenable number.

381962685 is a deficient number, since it is larger than the sum of its proper divisors (279164355).

381962685 is a wasteful number, since it uses less digits than its factorization.

381962685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877.

The product of its digits is 622080, while the sum is 48.

The square root of 381962685 is about 19543.8656616341. The cubic root of 381962685 is about 725.5605241167.

The spelling of 381962685 in words is "three hundred eighty-one million, nine hundred sixty-two thousand, six hundred eighty-five".