8919742 has 16 divisors (see below), whose sum is σ = 14464800. Its totient is φ = 4100832.

The previous prime is 8919737. The next prime is 8919767. The reversal of 8919742 is 2479198.

It is a junction number, because it is equal to n+sod(n) for n = 8919695 and 8919704.

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 in 7 ways as a sum of consecutive naturals, for example, 8583 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (904050).

Almost surely, 2^8919742 is an apocalyptic number.

8919742 is a deficient number, since it is larger than the sum of its proper divisors (5545058).

8919742 is a wasteful number, since it uses less digits than its factorization.

8919742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its digits is 36288, while the sum is 40.

The square root of 8919742 is about 2986.5937119066. The cubic root of 8919742 is about 207.3882264425.

The spelling of 8919742 in words is "eight million, nine hundred nineteen thousand, seven hundred forty-two".