381075442 has 8 divisors (see below), whose sum is σ = 623578032. Its totient is φ = 173216100.

The previous prime is 381075433. The next prime is 381075473. The reversal of 381075442 is 244570183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 381075398 and 381075407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8660784 + ... + 8660827.

It is an arithmetic number, because the mean of its divisors is an integer number (77947254).

Almost surely, 2^381075442 is an apocalyptic number.

381075442 is a deficient number, since it is larger than the sum of its proper divisors (242502590).

381075442 is a wasteful number, since it uses less digits than its factorization.

381075442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17321624.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 381075442 is about 19521.1537056599. The cubic root of 381075442 is about 724.9982985295.

The spelling of 381075442 in words is "three hundred eighty-one million, seventy-five thousand, four hundred forty-two".