7980338 has 4 divisors (see below), whose sum is σ = 11970510. Its totient is φ = 3990168.

The previous prime is 7980331. The next prime is 7980341. The reversal of 7980338 is 8330897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8330897 = 857 ⋅9721.

It can be written as a sum of positive squares in only one way, i.e., 4765489 + 3214849 = 2183^2 + 1793^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7980331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1995083 + ... + 1995086.

Almost surely, 2^7980338 is an apocalyptic number.

7980338 is a deficient number, since it is larger than the sum of its proper divisors (3990172).

7980338 is a wasteful number, since it uses less digits than its factorization.

7980338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990171.

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

The square root of 7980338 is about 2824.9492030831. The cubic root of 7980338 is about 199.8360155823.

The spelling of 7980338 in words is "seven million, nine hundred eighty thousand, three hundred thirty-eight".