7896281 has 8 divisors (see below), whose sum is σ = 8193864. Its totient is φ = 7603200.

The previous prime is 7896277. The next prime is 7896283. The reversal of 7896281 is 1826987.

It can be written as a sum of positive squares in 4 ways, for example, as 2059225 + 5837056 = 1435^2 + 2416^2 .

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 7896281 - 2² = 7896277 is a prime.

It is a super-2 number, since 2×7896281² = 124702507261922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7896283) 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, 2681 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (1024233).

Almost surely, 2^7896281 is an apocalyptic number.

It is an amenable number.

7896281 is a deficient number, since it is larger than the sum of its proper divisors (297583).

7896281 is a wasteful number, since it uses less digits than its factorization.

7896281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its digits is 48384, while the sum is 41.

The square root of 7896281 is about 2810.0322062211. The cubic root of 7896281 is about 199.1319125725.

The spelling of 7896281 in words is "seven million, eight hundred ninety-six thousand, two hundred eighty-one".