381559474 has 4 divisors (see below), whose sum is σ = 572339214. Its totient is φ = 190779736.

The previous prime is 381559471. The next prime is 381559487. The reversal of 381559474 is 474955183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474955183 = 109 ⋅4357387.

It can be written as a sum of positive squares in only one way, i.e., 270109225 + 111450249 = 16435^2 + 10557^2 .

It is not an unprimeable number, because it can be changed into a prime (381559471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95389867 + ... + 95389870.

Almost surely, 2^381559474 is an apocalyptic number.

381559474 is a deficient number, since it is larger than the sum of its proper divisors (190779740).

381559474 is a wasteful number, since it uses less digits than its factorization.

381559474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190779739.

The product of its digits is 604800, while the sum is 46.

The square root of 381559474 is about 19533.5473992821. The cubic root of 381559474 is about 725.3051265790.

The spelling of 381559474 in words is "three hundred eighty-one million, five hundred fifty-nine thousand, four hundred seventy-four".