838317672 has 24 divisors (see below), whose sum is σ = 2270443890. Its totient is φ = 279439200.

The previous prime is 838317631. The next prime is 838317673. The reversal of 838317672 is 276713838.

It can be written as a sum of positive squares in only one way, i.e., 581484996 + 256832676 = 24114^2 + 16026^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (838317673) 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, 5821579 + ... + 5821722.

Almost surely, 2^838317672 is an apocalyptic number.

It is an amenable number.

838317672 is an abundant number, since it is smaller than the sum of its proper divisors (1432126218).

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

838317672 is a wasteful number, since it uses less digits than its factorization.

838317672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643313 (or 11643306 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 838317672 is about 28953.7160309346. The cubic root of 838317672 is about 942.9084775670.

The spelling of 838317672 in words is "eight hundred thirty-eight million, three hundred seventeen thousand, six hundred seventy-two".