993914338 has 4 divisors (see below), whose sum is σ = 1490871510. Its totient is φ = 496957168.

The previous prime is 993914329. The next prime is 993914371. The reversal of 993914338 is 833419399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833419399 = 829 ⋅1005331.

It can be written as a sum of positive squares in only one way, i.e., 925802329 + 68112009 = 30427^2 + 8253^2 .

It is a super-2 number, since 2×993914338² = 1975731422563956488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 993914291 and 993914300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248478583 + ... + 248478586.

Almost surely, 2^993914338 is an apocalyptic number.

993914338 is a deficient number, since it is larger than the sum of its proper divisors (496957172).

993914338 is a wasteful number, since it uses less digits than its factorization.

993914338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496957171.

The product of its digits is 629856, while the sum is 49.

The square root of 993914338 is about 31526.4069947719. The cubic root of 993914338 is about 997.9673169994.

The spelling of 993914338 in words is "nine hundred ninety-three million, nine hundred fourteen thousand, three hundred thirty-eight".