395062240 has 48 divisors (see below), whose sum is σ = 939339072. Its totient is φ = 157008384.

The previous prime is 395062219. The next prime is 395062271. The reversal of 395062240 is 42260593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17257 + ... + 32983.

It is an arithmetic number, because the mean of its divisors is an integer number (19569564).

Almost surely, 2^395062240 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 395062240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469669536).

395062240 is an abundant number, since it is smaller than the sum of its proper divisors (544276832).

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

395062240 is a wasteful number, since it uses less digits than its factorization.

395062240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899 (or 15891 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 395062240 is about 19876.1726698074. The cubic root of 395062240 is about 733.7619276058.

The spelling of 395062240 in words is "three hundred ninety-five million, sixty-two thousand, two hundred forty".