743928338 has 4 divisors (see below), whose sum is σ = 1115892510. Its totient is φ = 371964168.

The previous prime is 743928323. The next prime is 743928349. The reversal of 743928338 is 833829347.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 729918289 + 14010049 = 27017^2 + 3743^2 .

It is a junction number, because it is equal to n+sod(n) for n = 743928292 and 743928301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185982083 + ... + 185982086.

Almost surely, 2^743928338 is an apocalyptic number.

743928338 is a deficient number, since it is larger than the sum of its proper divisors (371964172).

743928338 is a wasteful number, since it uses less digits than its factorization.

743928338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371964171.

The product of its digits is 870912, while the sum is 47.

The square root of 743928338 is about 27275.0497341435. The cubic root of 743928338 is about 906.1018854697.

The spelling of 743928338 in words is "seven hundred forty-three million, nine hundred twenty-eight thousand, three hundred thirty-eight".