838508628 has 24 divisors (see below), whose sum is σ = 1960949088. Its totient is φ = 278870176.

The previous prime is 838508621. The next prime is 838508659. The reversal of 838508628 is 826805838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838508621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73551 + ... + 84182.

It is an arithmetic number, because the mean of its divisors is an integer number (81706212).

Almost surely, 2^838508628 is an apocalyptic number.

It is an amenable number.

838508628 is an abundant number, since it is smaller than the sum of its proper divisors (1122440460).

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

838508628 is a wasteful number, since it uses less digits than its factorization.

838508628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158183 (or 158181 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 838508628 is about 28957.0134509759. The cubic root of 838508628 is about 942.9800655294.

The spelling of 838508628 in words is "eight hundred thirty-eight million, five hundred eight thousand, six hundred twenty-eight".