7938038 has 4 divisors (see below), whose sum is σ = 11907060. Its totient is φ = 3969018.

The previous prime is 7938023. The next prime is 7938041. The reversal of 7938038 is 8308397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8308397 = 467 ⋅17791.

It is a junction number, because it is equal to n+sod(n) for n = 7937992 and 7938010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984508 + ... + 1984511.

It is an arithmetic number, because the mean of its divisors is an integer number (2976765).

Almost surely, 2^7938038 is an apocalyptic number.

7938038 is a deficient number, since it is larger than the sum of its proper divisors (3969022).

7938038 is a wasteful number, since it uses less digits than its factorization.

7938038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969021.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 7938038 is about 2817.4523953387. The cubic root of 7938038 is about 199.4823111474.

The spelling of 7938038 in words is "seven million, nine hundred thirty-eight thousand, thirty-eight".