381744362 has 4 divisors (see below), whose sum is σ = 572616546. Its totient is φ = 190872180.

The previous prime is 381744361. The next prime is 381744379. The reversal of 381744362 is 263447183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 263447183 = 113 ⋅2331391.

It can be written as a sum of positive squares in only one way, i.e., 194574601 + 187169761 = 13949^2 + 13681^2 .

It is not an unprimeable number, because it can be changed into a prime (381744361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95436089 + ... + 95436092.

Almost surely, 2^381744362 is an apocalyptic number.

381744362 is a deficient number, since it is larger than the sum of its proper divisors (190872184).

381744362 is a wasteful number, since it uses less digits than its factorization.

381744362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190872183.

The product of its digits is 96768, while the sum is 38.

The square root of 381744362 is about 19538.2794022401. The cubic root of 381744362 is about 725.4222586553.

The spelling of 381744362 in words is "three hundred eighty-one million, seven hundred forty-four thousand, three hundred sixty-two".