381194268 has 48 divisors (see below), whose sum is σ = 1094714880. Its totient is φ = 100534464.

The previous prime is 381194267. The next prime is 381194293. The reversal of 381194268 is 862491183.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381194263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173448 + ... + 175631.

It is an arithmetic number, because the mean of its divisors is an integer number (22806560).

Almost surely, 2^381194268 is an apocalyptic number.

It is an amenable number.

381194268 is an abundant number, since it is smaller than the sum of its proper divisors (713520612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381194268 is a wasteful number, since it uses less digits than its factorization.

381194268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349106 (or 349104 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 381194268 is about 19524.1969873283. The cubic root of 381194268 is about 725.0736464227.

The spelling of 381194268 in words is "three hundred eighty-one million, one hundred ninety-four thousand, two hundred sixty-eight".