8919902 has 4 divisors (see below), whose sum is σ = 13379856. Its totient is φ = 4459950.

The previous prime is 8919901. The next prime is 8919913. The reversal of 8919902 is 2099198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2099198 = 2 ⋅1049599.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8919901) 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 as a sum of consecutive naturals, namely, 2229974 + ... + 2229977.

It is an arithmetic number, because the mean of its divisors is an integer number (3344964).

Almost surely, 2^8919902 is an apocalyptic number.

8919902 is a deficient number, since it is larger than the sum of its proper divisors (4459954).

8919902 is a wasteful number, since it uses less digits than its factorization.

8919902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459953.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 8919902 is about 2986.6204981551. The cubic root of 8919902 is about 207.3894664604.

It can be divided in two parts, 89 and 19902, that added together give a palindrome (19991).

The spelling of 8919902 in words is "eight million, nine hundred nineteen thousand, nine hundred two".