8491542 has 16 divisors (see below), whose sum is σ = 17019072. Its totient is φ = 2824520.

The previous prime is 8491541. The next prime is 8491543. The reversal of 8491542 is 2451948.

It is an interprime number because it is at equal distance from previous prime (8491541) and next prime (8491543).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8491541) 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, 2317 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (1063692).

Almost surely, 2^8491542 is an apocalyptic number.

8491542 is an abundant number, since it is smaller than the sum of its proper divisors (8527530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8491542 is a wasteful number, since it uses less digits than its factorization.

8491542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003.

The product of its digits is 11520, while the sum is 33.

The square root of 8491542 is about 2914.0250513680. The cubic root of 8491542 is about 204.0150411824.

The spelling of 8491542 in words is "eight million, four hundred ninety-one thousand, five hundred forty-two".