738239428 has 12 divisors (see below), whose sum is σ = 1336468140. Its totient is φ = 356391392.

The previous prime is 738239413. The next prime is 738239431. The reversal of 738239428 is 824932837.

It can be written as a sum of positive squares in 2 ways, for example, as 295221124 + 443018304 = 17182^2 + 21048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3181951 + ... + 3182182.

It is an arithmetic number, because the mean of its divisors is an integer number (111372345).

Almost surely, 2^738239428 is an apocalyptic number.

It is an amenable number.

738239428 is a deficient number, since it is larger than the sum of its proper divisors (598228712).

738239428 is a wasteful number, since it uses less digits than its factorization.

738239428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364166 (or 6364164 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 738239428 is about 27170.5617902906. The cubic root of 738239428 is about 903.7862825898.

The spelling of 738239428 in words is "seven hundred thirty-eight million, two hundred thirty-nine thousand, four hundred twenty-eight".