398753852 has 36 divisors (see below), whose sum is σ = 833720496. Its totient is φ = 163458240.

The previous prime is 398753851. The next prime is 398753863. The reversal of 398753852 is 258357893.

It is a self number, because there is not a number n which added to its sum of digits gives 398753852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398753851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1352 + ... + 28272.

Almost surely, 2^398753852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398753852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416860248).

398753852 is an abundant number, since it is smaller than the sum of its proper divisors (434966644).

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

398753852 is a wasteful number, since it uses less digits than its factorization.

398753852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26978 (or 26953 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 398753852 is about 19968.8219983053. The cubic root of 398753852 is about 736.0403623698.

The spelling of 398753852 in words is "three hundred ninety-eight million, seven hundred fifty-three thousand, eight hundred fifty-two".