8542494 has 12 divisors (see below), whose sum is σ = 18508776. Its totient is φ = 2847492.

The previous prime is 8542493. The next prime is 8542519. The reversal of 8542494 is 4942458.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 8 + 5⁷ + 4³ + 2²³ + 4⁴ + 9⁵ + 4⁷ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542493) 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, 237274 + ... + 237309.

It is an arithmetic number, because the mean of its divisors is an integer number (1542398).

Almost surely, 2^8542494 is an apocalyptic number.

8542494 is an abundant number, since it is smaller than the sum of its proper divisors (9966282).

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

8542494 is a wasteful number, since it uses less digits than its factorization.

8542494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474591 (or 474588 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 8542494 is about 2922.7545227063. The cubic root of 8542494 is about 204.4222798339.

Subtracting from 8542494 its sum of digits (36), we obtain a palindrome (8542458).

The spelling of 8542494 in words is "eight million, five hundred forty-two thousand, four hundred ninety-four".