233988469 has 16 divisors (see below), whose sum is σ = 277187904. Its totient is φ = 196339440.

The previous prime is 233988467. The next prime is 233988473. The reversal of 233988469 is 964889332.

It is not a de Polignac number, because 233988469 - 2¹ = 233988467 is a prime.

It is a super-2 number, since 2×233988469² = 109501207249927922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233988467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10542 + ... + 24064.

It is an arithmetic number, because the mean of its divisors is an integer number (17324244).

Almost surely, 2^233988469 is an apocalyptic number.

It is an amenable number.

233988469 is a deficient number, since it is larger than the sum of its proper divisors (43199435).

233988469 is a wasteful number, since it uses less digits than its factorization.

233988469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13569 (or 13547 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 233988469 is about 15296.6816336093. The cubic root of 233988469 is about 616.2138925586.

The spelling of 233988469 in words is "two hundred thirty-three million, nine hundred eighty-eight thousand, four hundred sixty-nine".