389090098 has 4 divisors (see below), whose sum is σ = 583635150. Its totient is φ = 194545048.

The previous prime is 389090081. The next prime is 389090099. The reversal of 389090098 is 890090983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890090983 = 11321 ⋅78623.

It can be written as a sum of positive squares in only one way, i.e., 257827249 + 131262849 = 16057^2 + 11457^2 .

It is a super-2 number, since 2×389090098² = 302782208723299208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389090099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97272523 + ... + 97272526.

Almost surely, 2^389090098 is an apocalyptic number.

389090098 is a deficient number, since it is larger than the sum of its proper divisors (194545052).

389090098 is a wasteful number, since it uses less digits than its factorization.

389090098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194545051.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 389090098 is about 19725.3668660433. The cubic root of 389090098 is about 730.0457205367.

The spelling of 389090098 in words is "three hundred eighty-nine million, ninety thousand, ninety-eight".