8917481 has 4 divisors (see below), whose sum is σ = 9158532. Its totient is φ = 8676432.

The previous prime is 8917463. The next prime is 8917523. The reversal of 8917481 is 1847198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1847198 = 2 ⋅923599.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 737881 = 2860^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 8917481 - 2¹⁴ = 8901097 is a prime.

It is a super-2 number, since 2×8917481² = 159042934770722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8917411) 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, 120470 + ... + 120543.

It is an arithmetic number, because the mean of its divisors is an integer number (2289633).

Almost surely, 2^8917481 is an apocalyptic number.

It is an amenable number.

8917481 is a deficient number, since it is larger than the sum of its proper divisors (241051).

8917481 is a wasteful number, since it uses less digits than its factorization.

8917481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241050.

The product of its digits is 16128, while the sum is 38.

The square root of 8917481 is about 2986.2151630450. The cubic root of 8917481 is about 207.3707018547.

The spelling of 8917481 in words is "eight million, nine hundred seventeen thousand, four hundred eighty-one".