838897902 has 24 divisors (see below), whose sum is σ = 1825771584. Its totient is φ = 278377344.

The previous prime is 838897901. The next prime is 838897903. The reversal of 838897902 is 209798838.

It is an interprime number because it is at equal distance from previous prime (838897901) and next prime (838897903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838897901) 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 11 ways as a sum of consecutive naturals, for example, 100483 + ... + 108510.

It is an arithmetic number, because the mean of its divisors is an integer number (76073816).

Almost surely, 2^838897902 is an apocalyptic number.

838897902 is an abundant number, since it is smaller than the sum of its proper divisors (986873682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838897902 is a wasteful number, since it uses less digits than its factorization.

838897902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209224 (or 209221 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 838897902 is about 28963.7342550991. The cubic root of 838897902 is about 943.1259677577.

The spelling of 838897902 in words is "eight hundred thirty-eight million, eight hundred ninety-seven thousand, nine hundred two".