838928630 has 16 divisors (see below), whose sum is σ = 1512570240. Its totient is φ = 335016192.

The previous prime is 838928627. The next prime is 838928633. The reversal of 838928630 is 36829838.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (838928627) and next prime (838928633).

It is a super-3 number, since 3×838928630³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838928633) 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 7 ways as a sum of consecutive naturals, for example, 63035 + ... + 75174.

It is an arithmetic number, because the mean of its divisors is an integer number (94535640).

Almost surely, 2^838928630 is an apocalyptic number.

838928630 is a deficient number, since it is larger than the sum of its proper divisors (673641610).

838928630 is a wasteful number, since it uses less digits than its factorization.

838928630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138823.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 838928630 is about 28964.2647067037. The cubic root of 838928630 is about 943.1374828741.

The spelling of 838928630 in words is "eight hundred thirty-eight million, nine hundred twenty-eight thousand, six hundred thirty".