7948239 has 24 divisors (see below), whose sum is σ = 11709072. Its totient is φ = 4792320.

The previous prime is 7948223. The next prime is 7948247. The reversal of 7948239 is 9328497.

It is not a de Polignac number, because 7948239 - 2⁴ = 7948223 is a prime.

It is a super-2 number, since 2×7948239² = 126349006402242, which contains 22 as substring.

7948239 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7948239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30799 + ... + 31055.

It is an arithmetic number, because the mean of its divisors is an integer number (487878).

Almost surely, 2^7948239 is an apocalyptic number.

7948239 is a deficient number, since it is larger than the sum of its proper divisors (3760833).

7948239 is a wasteful number, since it uses less digits than its factorization.

7948239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 7948239 is about 2819.2621375105. The cubic root of 7948239 is about 199.5677246968.

The spelling of 7948239 in words is "seven million, nine hundred forty-eight thousand, two hundred thirty-nine".