289532198 has 8 divisors (see below), whose sum is σ = 434777760. Its totient is φ = 144606280.

The previous prime is 289532197. The next prime is 289532207. The reversal of 289532198 is 891235982.

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

It is a super-2 number, since 2×289532198² = 167657787357422408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289532197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77633 + ... + 81276.

It is an arithmetic number, because the mean of its divisors is an integer number (54347220).

Almost surely, 2^289532198 is an apocalyptic number.

289532198 is a deficient number, since it is larger than the sum of its proper divisors (145245562).

289532198 is a wasteful number, since it uses less digits than its factorization.

289532198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159822.

The product of its digits is 311040, while the sum is 47.

The square root of 289532198 is about 17015.6456827239. The cubic root of 289532198 is about 661.5544916468.

The spelling of 289532198 in words is "two hundred eighty-nine million, five hundred thirty-two thousand, one hundred ninety-eight".