162489398 has 16 divisors (see below), whose sum is σ = 246959280. Its totient is φ = 80176896.

The previous prime is 162489391. The next prime is 162489403. The reversal of 162489398 is 893984261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162489391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47390 + ... + 50702.

It is an arithmetic number, because the mean of its divisors is an integer number (15434955).

Almost surely, 2^162489398 is an apocalyptic number.

162489398 is a deficient number, since it is larger than the sum of its proper divisors (84469882).

162489398 is a wasteful number, since it uses less digits than its factorization.

162489398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631.

The product of its digits is 746496, while the sum is 50.

The square root of 162489398 is about 12747.1329325460. The cubic root of 162489398 is about 545.6845736341.

The spelling of 162489398 in words is "one hundred sixty-two million, four hundred eighty-nine thousand, three hundred ninety-eight".