6989902 has 4 divisors (see below), whose sum is σ = 10484856. Its totient is φ = 3494950.

The previous prime is 6989869. The next prime is 6989921. The reversal of 6989902 is 2099896.

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

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 1747474 + ... + 1747477.

It is an arithmetic number, because the mean of its divisors is an integer number (2621214).

Almost surely, 2^6989902 is an apocalyptic number.

6989902 is a deficient number, since it is larger than the sum of its proper divisors (3494954).

6989902 is a wasteful number, since it uses less digits than its factorization.

6989902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494953.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 6989902 is about 2643.8422797134. The cubic root of 6989902 is about 191.2010893480.

The spelling of 6989902 in words is "six million, nine hundred eighty-nine thousand, nine hundred two".