395052720 has 80 divisors (see below), whose sum is σ = 1226573280. Its totient is φ = 105183232.

The previous prime is 395052683. The next prime is 395052793. The reversal of 395052720 is 27250593.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305836 + ... + 307124.

It is an arithmetic number, because the mean of its divisors is an integer number (15332166).

Almost surely, 2^395052720 is an apocalyptic number.

395052720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395052720 is an abundant number, since it is smaller than the sum of its proper divisors (831520560).

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

395052720 is a wasteful number, since it uses less digits than its factorization.

395052720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 395052720 is about 19875.9331856394. The cubic root of 395052720 is about 733.7560336234.

The spelling of 395052720 in words is "three hundred ninety-five million, fifty-two thousand, seven hundred twenty".