381298 has 4 divisors (see below), whose sum is σ = 571950. Its totient is φ = 190648.

The previous prime is 381289. The next prime is 381301. The reversal of 381298 is 892183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 892183 = 19 ⋅46957.

It can be written as a sum of positive squares in only one way, i.e., 363609 + 17689 = 603^2 + 133^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95323 + ... + 95326.

2³⁸¹²⁹⁸ is an apocalyptic number.

381298 is a deficient number, since it is larger than the sum of its proper divisors (190652).

381298 is a wasteful number, since it uses less digits than its factorization.

381298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190651.

The product of its digits is 3456, while the sum is 31.

The square root of 381298 is about 617.4933198019. The cubic root of 381298 is about 72.5139410369.

The spelling of 381298 in words is "three hundred eighty-one thousand, two hundred ninety-eight".