838951902 has 12 divisors (see below), whose sum is σ = 1817729160. Its totient is φ = 279650628.

The previous prime is 838951879. The next prime is 838951907. The reversal of 838951902 is 209159838.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838951907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23304202 + ... + 23304237.

It is an arithmetic number, because the mean of its divisors is an integer number (151477430).

Almost surely, 2^838951902 is an apocalyptic number.

838951902 is an abundant number, since it is smaller than the sum of its proper divisors (978777258).

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

838951902 is a wasteful number, since it uses less digits than its factorization.

838951902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46608447 (or 46608444 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 838951902 is about 28964.6664403373. Note that the first 3 decimals coincide. The cubic root of 838951902 is about 943.1462037163.

The spelling of 838951902 in words is "eight hundred thirty-eight million, nine hundred fifty-one thousand, nine hundred two".