395280776 has 16 divisors (see below), whose sum is σ = 808529040. Its totient is φ = 179673040.

The previous prime is 395280749. The next prime is 395280797. The reversal of 395280776 is 677082593.

It is a self number, because there is not a number n which added to its sum of digits gives 395280776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245826 + ... + 2246001.

It is an arithmetic number, because the mean of its divisors is an integer number (50533065).

Almost surely, 2^395280776 is an apocalyptic number.

It is an amenable number.

395280776 is an abundant number, since it is smaller than the sum of its proper divisors (413248264).

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

395280776 is a wasteful number, since it uses less digits than its factorization.

395280776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491844 (or 4491840 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 395280776 is about 19881.6693464105. The cubic root of 395280776 is about 733.8972006691.

The spelling of 395280776 in words is "three hundred ninety-five million, two hundred eighty thousand, seven hundred seventy-six".