938993449 has 3 divisors (see below), whose sum is σ = 939024093. Its totient is φ = 938962806.

The previous prime is 938993417. The next prime is 938993467. The reversal of 938993449 is 944399839.

The square root of 938993449 is 30643.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 938993449 - 2⁵ = 938993417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 938993393 and 938993402.

It is not an unprimeable number, because it can be changed into a prime (938994449) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15322 + ... + 45964.

It is an arithmetic number, because the mean of its divisors is an integer number (313008031).

Almost surely, 2^938993449 is an apocalyptic number.

938993449 is the 30643-rd square number.

938993449 is the 15322-nd centered octagonal number.

It is an amenable number.

938993449 is a deficient number, since it is larger than the sum of its proper divisors (30644).

938993449 is an frugal number, since it uses more digits than its factorization.

938993449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61286 (or 30643 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 58.

The cubic root of 938993449 is about 979.2363372532.

The spelling of 938993449 in words is "nine hundred thirty-eight million, nine hundred ninety-three thousand, four hundred forty-nine".