7970439 has 4 divisors (see below), whose sum is σ = 10627256. Its totient is φ = 5313624.

The previous prime is 7970377. The next prime is 7970471. The reversal of 7970439 is 9340797.

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

It is not a de Polignac number, because 7970439 - 2⁷ = 7970311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7970397 and 7970406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7970539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328404 + ... + 1328409.

It is an arithmetic number, because the mean of its divisors is an integer number (2656814).

Almost surely, 2^7970439 is an apocalyptic number.

7970439 is a deficient number, since it is larger than the sum of its proper divisors (2656817).

7970439 is a wasteful number, since it uses less digits than its factorization.

7970439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656816.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 7970439 is about 2823.1965925171. The cubic root of 7970439 is about 199.7533542878.

The spelling of 7970439 in words is "seven million, nine hundred seventy thousand, four hundred thirty-nine".