8897642 has 16 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 3927792.

The previous prime is 8897641. The next prime is 8897653. The reversal of 8897642 is 2467988.

It is a junction number, because it is equal to n+sod(n) for n = 8897593 and 8897602.

It is not an unprimeable number, because it can be changed into a prime (8897641) by changing a digit.

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, 6842 + ... + 8037.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^8897642 is an apocalyptic number.

8897642 is a deficient number, since it is larger than the sum of its proper divisors (6101398).

8897642 is a wasteful number, since it uses less digits than its factorization.

8897642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14917.

The product of its digits is 193536, while the sum is 44.

The square root of 8897642 is about 2982.8915501573. The cubic root of 8897642 is about 207.2168063021.

The spelling of 8897642 in words is "eight million, eight hundred ninety-seven thousand, six hundred forty-two".