8009902 has 4 divisors (see below), whose sum is σ = 12014856. Its totient is φ = 4004950.

The previous prime is 8009893. The next prime is 8009927. The reversal of 8009902 is 2099008.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002474 + ... + 2002477.

It is an arithmetic number, because the mean of its divisors is an integer number (3003714).

Almost surely, 2^8009902 is an apocalyptic number.

8009902 is a deficient number, since it is larger than the sum of its proper divisors (4004954).

8009902 is a wasteful number, since it uses less digits than its factorization.

8009902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004953.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8009902 is about 2830.1770262653. The cubic root of 8009902 is about 200.0824826451.

It can be divided in two parts, 8009 and 902, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 8009902 in words is "eight million, nine thousand, nine hundred two".