381098158 has 16 divisors (see below), whose sum is σ = 655405920. Its totient is φ = 162804096.

The previous prime is 381098099. The next prime is 381098161. The reversal of 381098158 is 851890183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39103 + ... + 47866.

It is an arithmetic number, because the mean of its divisors is an integer number (40962870).

Almost surely, 2^381098158 is an apocalyptic number.

381098158 is a deficient number, since it is larger than the sum of its proper divisors (274307762).

381098158 is a wasteful number, since it uses less digits than its factorization.

381098158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87291.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 381098158 is about 19521.7355273551. The cubic root of 381098158 is about 725.0127040184.

The spelling of 381098158 in words is "three hundred eighty-one million, ninety-eight thousand, one hundred fifty-eight".