8461917 has 12 divisors (see below), whose sum is σ = 12259260. Its totient is φ = 5624448.

The previous prime is 8461913. The next prime is 8461951. The reversal of 8461917 is 7191648.

It can be written as a sum of positive squares in 2 ways, for example, as 5659641 + 2802276 = 2379^2 + 1674^2 .

It is not a de Polignac number, because 8461917 - 2² = 8461913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (1021605).

Almost surely, 2^8461917 is an apocalyptic number.

It is an amenable number.

8461917 is a deficient number, since it is larger than the sum of its proper divisors (3797343).

8461917 is a wasteful number, since it uses less digits than its factorization.

8461917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2809 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 8461917 is about 2908.9374348721. The cubic root of 8461917 is about 203.7775111835. Note that the first 3 decimals are identical.

It can be divided in two parts, 84 and 61917, that added together give a square (62001 = 249²).

The spelling of 8461917 in words is "eight million, four hundred sixty-one thousand, nine hundred seventeen".