395421488 has 80 divisors (see below), whose sum is σ = 960700416. Its totient is φ = 153169920.

The previous prime is 395421487. The next prime is 395421491. The reversal of 395421488 is 884124593.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (395421487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236945 + ... + 238607.

Almost surely, 2^395421488 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 395421488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480350208).

395421488 is an abundant number, since it is smaller than the sum of its proper divisors (565278928).

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

395421488 is a wasteful number, since it uses less digits than its factorization.

395421488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1876 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 395421488 is about 19885.2077685902. The cubic root of 395421488 is about 733.9842745482.

The spelling of 395421488 in words is "three hundred ninety-five million, four hundred twenty-one thousand, four hundred eighty-eight".