396904848 has 160 divisors (see below), whose sum is σ = 1131356160. Its totient is φ = 119408640.

The previous prime is 396904847. The next prime is 396904853. The reversal of 396904848 is 848409693.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 396904848.

It is not an unprimeable number, because it can be changed into a prime (396904847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029743 + ... + 3029873.

It is an arithmetic number, because the mean of its divisors is an integer number (7070976).

Almost surely, 2^396904848 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 396904848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565678080).

396904848 is an abundant number, since it is smaller than the sum of its proper divisors (734451312).

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

396904848 is a wasteful number, since it uses less digits than its factorization.

396904848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 396904848 is about 19922.4709310868. The cubic root of 396904848 is about 734.9009371788.

The spelling of 396904848 in words is "three hundred ninety-six million, nine hundred four thousand, eight hundred forty-eight".