395366538 has 64 divisors (see below), whose sum is σ = 940584960. Its totient is φ = 108443712.

The previous prime is 395366537. The next prime is 395366549. The reversal of 395366538 is 835663593.

It is not an unprimeable number, because it can be changed into a prime (395366537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102733 + ... + 106511.

It is an arithmetic number, because the mean of its divisors is an integer number (14696640).

Almost surely, 2^395366538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395366538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470292480).

395366538 is an abundant number, since it is smaller than the sum of its proper divisors (545218422).

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

395366538 is a wasteful number, since it uses less digits than its factorization.

395366538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its digits is 1749600, while the sum is 48.

The square root of 395366538 is about 19883.8260402771. The cubic root of 395366538 is about 733.9502734418.

The spelling of 395366538 in words is "three hundred ninety-five million, three hundred sixty-six thousand, five hundred thirty-eight".