8457494 has 8 divisors (see below), whose sum is σ = 12805128. Its totient is φ = 4189120.

The previous prime is 8457487. The next prime is 8457499. The reversal of 8457494 is 4947548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19547 + ... + 19974.

It is an arithmetic number, because the mean of its divisors is an integer number (1600641).

Almost surely, 2^8457494 is an apocalyptic number.

8457494 is a deficient number, since it is larger than the sum of its proper divisors (4347634).

8457494 is a wasteful number, since it uses less digits than its factorization.

8457494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39630.

The product of its digits is 161280, while the sum is 41.

The square root of 8457494 is about 2908.1770922693. The cubic root of 8457494 is about 203.7420005140.

The spelling of 8457494 in words is "eight million, four hundred fifty-seven thousand, four hundred ninety-four".