395621516 has 6 divisors (see below), whose sum is σ = 692337660. Its totient is φ = 197810756.

The previous prime is 395621453. The next prime is 395621519. The reversal of 395621516 is 615126593.

It is a self number, because there is not a number n which added to its sum of digits gives 395621516.

It is not an unprimeable number, because it can be changed into a prime (395621519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49452686 + ... + 49452693.

It is an arithmetic number, because the mean of its divisors is an integer number (115389610).

Almost surely, 2^395621516 is an apocalyptic number.

It is an amenable number.

395621516 is a deficient number, since it is larger than the sum of its proper divisors (296716144).

395621516 is a wasteful number, since it uses less digits than its factorization.

395621516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98905383 (or 98905381 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 395621516 is about 19890.2367004518. The cubic root of 395621516 is about 734.1080181665.

The spelling of 395621516 in words is "three hundred ninety-five million, six hundred twenty-one thousand, five hundred sixteen".