8042494 has 4 divisors (see below), whose sum is σ = 12063744. Its totient is φ = 4021246.

The previous prime is 8042477. The next prime is 8042509. The reversal of 8042494 is 4942408.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010622 + ... + 2010625.

It is an arithmetic number, because the mean of its divisors is an integer number (3015936).

Almost surely, 2^8042494 is an apocalyptic number.

8042494 is a deficient number, since it is larger than the sum of its proper divisors (4021250).

8042494 is a wasteful number, since it uses less digits than its factorization.

8042494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021249.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 8042494 is about 2835.9291246433. The cubic root of 8042494 is about 200.3534915173.

The spelling of 8042494 in words is "eight million, forty-two thousand, four hundred ninety-four".