395169420 has 96 divisors (see below), whose sum is σ = 1196633088. Its totient is φ = 97057792.

The previous prime is 395169419. The next prime is 395169421. The reversal of 395169420 is 24961593.

It is an interprime number because it is at equal distance from previous prime (395169419) and next prime (395169421).

It is not an unprimeable number, because it can be changed into a prime (395169421) 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, 43819 + ... + 52061.

It is an arithmetic number, because the mean of its divisors is an integer number (12464928).

Almost surely, 2^395169420 is an apocalyptic number.

395169420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395169420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598316544).

395169420 is an abundant number, since it is smaller than the sum of its proper divisors (801463668).

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

395169420 is a wasteful number, since it uses less digits than its factorization.

395169420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8319 (or 8317 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 395169420 is about 19878.8686800834. The cubic root of 395169420 is about 733.8282779041.

The spelling of 395169420 in words is "three hundred ninety-five million, one hundred sixty-nine thousand, four hundred twenty".