8919494 has 4 divisors (see below), whose sum is σ = 13379244. Its totient is φ = 4459746.

The previous prime is 8919487. The next prime is 8919497. The reversal of 8919494 is 4949198.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8919497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229872 + ... + 2229875.

It is an arithmetic number, because the mean of its divisors is an integer number (3344811).

Almost surely, 2^8919494 is an apocalyptic number.

8919494 is a deficient number, since it is larger than the sum of its proper divisors (4459750).

8919494 is a wasteful number, since it uses less digits than its factorization.

8919494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459749.

The product of its digits is 93312, while the sum is 44.

The square root of 8919494 is about 2986.5521927467. The cubic root of 8919494 is about 207.3863043856.

The spelling of 8919494 in words is "eight million, nine hundred nineteen thousand, four hundred ninety-four".