381473882 has 4 divisors (see below), whose sum is σ = 572210826. Its totient is φ = 190736940.

The previous prime is 381473861. The next prime is 381473899. The reversal of 381473882 is 288374183.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 288374183 = 31 ⋅9302393.

It can be written as a sum of positive squares in only one way, i.e., 297183121 + 84290761 = 17239^2 + 9181^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95368469 + ... + 95368472.

Almost surely, 2^381473882 is an apocalyptic number.

381473882 is a deficient number, since it is larger than the sum of its proper divisors (190736944).

381473882 is a wasteful number, since it uses less digits than its factorization.

381473882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190736943.

The product of its digits is 258048, while the sum is 44.

The square root of 381473882 is about 19531.3563789103. The cubic root of 381473882 is about 725.2508886745.

The spelling of 381473882 in words is "three hundred eighty-one million, four hundred seventy-three thousand, eight hundred eighty-two".