381098803 has 4 divisors (see below), whose sum is σ = 381155680. Its totient is φ = 381041928.

The previous prime is 381098777. The next prime is 381098821. The reversal of 381098803 is 308890183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381098803 - 2¹⁷ = 380967731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381098873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16800 + ... + 32317.

It is an arithmetic number, because the mean of its divisors is an integer number (95288920).

Almost surely, 2^381098803 is an apocalyptic number.

381098803 is a deficient number, since it is larger than the sum of its proper divisors (56877).

381098803 is an equidigital number, since it uses as much as digits as its factorization.

381098803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56876.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 381098803 is about 19521.7520473957. The cubic root of 381098803 is about 725.0131130407.

The spelling of 381098803 in words is "three hundred eighty-one million, ninety-eight thousand, eight hundred three".