853923408 has 40 divisors (see below), whose sum is σ = 2375660448. Its totient is φ = 262745472.

The previous prime is 853923383. The next prime is 853923409. The reversal of 853923408 is 804329358.

853923408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 853923408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853923409) 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, 683610 + ... + 684857.

Almost surely, 2^853923408 is an apocalyptic number.

It is an amenable number.

853923408 is an abundant number, since it is smaller than the sum of its proper divisors (1521737040).

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

853923408 is a wasteful number, since it uses less digits than its factorization.

853923408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368491 (or 1368485 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 853923408 is about 29221.9679008790. The cubic root of 853923408 is about 948.7234592224.

The spelling of 853923408 in words is "eight hundred fifty-three million, nine hundred twenty-three thousand, four hundred eight".