930398738 has 4 divisors (see below), whose sum is σ = 1395598110. Its totient is φ = 465199368.

The previous prime is 930398713. The next prime is 930398741. The reversal of 930398738 is 837893039.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837893039 = 79 ⋅10606241.

It can be written as a sum of positive squares in only one way, i.e., 926167489 + 4231249 = 30433^2 + 2057^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232599683 + ... + 232599686.

Almost surely, 2^930398738 is an apocalyptic number.

930398738 is a deficient number, since it is larger than the sum of its proper divisors (465199372).

930398738 is a wasteful number, since it uses less digits than its factorization.

930398738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465199371.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 930398738 is about 30502.4382304104. The cubic root of 930398738 is about 976.2394888706.

The spelling of 930398738 in words is "nine hundred thirty million, three hundred ninety-eight thousand, seven hundred thirty-eight".