381198862 has 16 divisors (see below), whose sum is σ = 656611200. Its totient is φ = 164152440.

The previous prime is 381198859. The next prime is 381198869. The reversal of 381198862 is 268891183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381198869) 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 7 ways as a sum of consecutive naturals, for example, 455562 + ... + 456397.

It is an arithmetic number, because the mean of its divisors is an integer number (41038200).

Almost surely, 2^381198862 is an apocalyptic number.

381198862 is a deficient number, since it is larger than the sum of its proper divisors (275412338).

381198862 is a wasteful number, since it uses less digits than its factorization.

381198862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911991.

The product of its digits is 165888, while the sum is 46.

The square root of 381198862 is about 19524.3146358585. The cubic root of 381198862 is about 725.0765591764.

The spelling of 381198862 in words is "three hundred eighty-one million, one hundred ninety-eight thousand, eight hundred sixty-two".