395401648 has 20 divisors (see below), whose sum is σ = 799399728. Its totient is φ = 189104960.

The previous prime is 395401619. The next prime is 395401661. The reversal of 395401648 is 846104593.

It is a super-2 number, since 2×395401648² = 312684926482231808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 395401648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536863 + ... + 537598.

Almost surely, 2^395401648 is an apocalyptic number.

It is an amenable number.

395401648 is an abundant number, since it is smaller than the sum of its proper divisors (403998080).

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

395401648 is a wasteful number, since it uses less digits than its factorization.

395401648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074492 (or 1074486 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 395401648 is about 19884.7088990510. The cubic root of 395401648 is about 733.9719986249.

The spelling of 395401648 in words is "three hundred ninety-five million, four hundred one thousand, six hundred forty-eight".