7952639 has 8 divisors (see below), whose sum is σ = 8151840. Its totient is φ = 7756000.

The previous prime is 7952629. The next prime is 7952657. The reversal of 7952639 is 9362597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7952639 - 2¹² = 7948543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7952596 and 7952605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7952629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6617 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (1018980).

Almost surely, 2^7952639 is an apocalyptic number.

7952639 is a deficient number, since it is larger than the sum of its proper divisors (199201).

7952639 is a wasteful number, since it uses less digits than its factorization.

7952639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its digits is 102060, while the sum is 41.

The square root of 7952639 is about 2820.0423755681. The cubic root of 7952639 is about 199.6045435865.

The spelling of 7952639 in words is "seven million, nine hundred fifty-two thousand, six hundred thirty-nine".