8540361 has 6 divisors (see below), whose sum is σ = 12336090. Its totient is φ = 5693568.

The previous prime is 8540353. The next prime is 8540381. The reversal of 8540361 is 1630458.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 1806336 = 2595^2 + 1344^2 .

It is not a de Polignac number, because 8540361 - 2³ = 8540353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8540381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 474456 + ... + 474473.

It is an arithmetic number, because the mean of its divisors is an integer number (2056015).

Almost surely, 2^8540361 is an apocalyptic number.

It is an amenable number.

8540361 is a deficient number, since it is larger than the sum of its proper divisors (3795729).

8540361 is a wasteful number, since it uses less digits than its factorization.

8540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948935 (or 948932 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8540361 is about 2922.3896044162. The cubic root of 8540361 is about 204.4052641544.

Subtracting from 8540361 its reverse (1630458), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8540361 in words is "eight million, five hundred forty thousand, three hundred sixty-one".