147897369 has 6 divisors (see below), whose sum is σ = 213629546. Its totient is φ = 98598240.

The previous prime is 147897359. The next prime is 147897377. The reversal of 147897369 is 963798741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 108056025 + 39841344 = 10395^2 + 6312^2 .

It is not a de Polignac number, because 147897369 - 2⁴ = 147897353 is a prime.

It is a super-2 number, since 2×147897369² = 43747263514244322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (147897319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8216512 + ... + 8216529.

Almost surely, 2^147897369 is an apocalyptic number.

It is an amenable number.

147897369 is a deficient number, since it is larger than the sum of its proper divisors (65732177).

147897369 is a wasteful number, since it uses less digits than its factorization.

147897369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16433047 (or 16433044 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 147897369 is about 12161.3062209616. The cubic root of 147897369 is about 528.8349500517.

The spelling of 147897369 in words is "one hundred forty-seven million, eight hundred ninety-seven thousand, three hundred sixty-nine".