8557461 has 16 divisors (see below), whose sum is σ = 13830720. Its totient is φ = 5186160.

The previous prime is 8557459. The next prime is 8557463. The reversal of 8557461 is 1647558.

8557461 is a `hidden beast` number, since 85 + 574 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (8557459) and next prime (8557463).

It is not a de Polignac number, because 8557461 - 2¹ = 8557459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14110 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (864420).

Almost surely, 2^8557461 is an apocalyptic number.

It is an amenable number.

8557461 is a deficient number, since it is larger than the sum of its proper divisors (5273259).

8557461 is a wasteful number, since it uses less digits than its factorization.

8557461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28833 (or 28827 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 8557461 is about 2925.3138293181. The cubic root of 8557461 is about 204.5415971798.

Subtracting from 8557461 its reverse (1647558), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8557461 in words is "eight million, five hundred fifty-seven thousand, four hundred sixty-one".