7948957 has 4 divisors (see below), whose sum is σ = 8142876. Its totient is φ = 7755040.

The previous prime is 7948951. The next prime is 7948981. The reversal of 7948957 is 7598497.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7598497 = 73 ⋅104089.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 3709476 = 2059^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 7948957 - 2¹¹ = 7946909 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 9³ + 4¹¹ + 8⁷ + 9⁴ + 5⁵ + 7⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7948957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96898 + ... + 96979.

It is an arithmetic number, because the mean of its divisors is an integer number (2035719).

Almost surely, 2^7948957 is an apocalyptic number.

It is an amenable number.

7948957 is a deficient number, since it is larger than the sum of its proper divisors (193919).

7948957 is a wasteful number, since it uses less digits than its factorization.

7948957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193918.

The product of its digits is 635040, while the sum is 49.

The square root of 7948957 is about 2819.3894729179. The cubic root of 7948957 is about 199.5737337977.

The spelling of 7948957 in words is "seven million, nine hundred forty-eight thousand, nine hundred fifty-seven".