8494742 has 4 divisors (see below), whose sum is σ = 12742116. Its totient is φ = 4247370.

The previous prime is 8494727. The next prime is 8494753. The reversal of 8494742 is 2474948.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8494696 and 8494705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123684 + ... + 2123687.

It is an arithmetic number, because the mean of its divisors is an integer number (3185529).

Almost surely, 2^8494742 is an apocalyptic number.

8494742 is a deficient number, since it is larger than the sum of its proper divisors (4247374).

8494742 is a wasteful number, since it uses less digits than its factorization.

8494742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247373.

The product of its digits is 64512, while the sum is 38.

The square root of 8494742 is about 2914.5740683675. The cubic root of 8494742 is about 204.0406653522.

The spelling of 8494742 in words is "eight million, four hundred ninety-four thousand, seven hundred forty-two".