395715983 has 32 divisors (see below), whose sum is σ = 464486400. Its totient is φ = 334008576.

The previous prime is 395715973. The next prime is 395716001. The reversal of 395715983 is 389517593.

It is a cyclic number.

It is not a de Polignac number, because 395715983 - 2¹² = 395711887 is a prime.

It is a super-2 number, since 2×395715983² = 313182278403312578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395715913) 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, 1033010 + ... + 1033392.

It is an arithmetic number, because the mean of its divisors is an integer number (14515200).

Almost surely, 2^395715983 is an apocalyptic number.

395715983 is a deficient number, since it is larger than the sum of its proper divisors (68770417).

395715983 is a wasteful number, since it uses less digits than its factorization.

395715983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its digits is 1020600, while the sum is 50.

The square root of 395715983 is about 19892.6112664979. The cubic root of 395715983 is about 734.1664439264.

It can be divided in two parts, 39571 and 5983, that added together give a palindrome (45554).

The spelling of 395715983 in words is "three hundred ninety-five million, seven hundred fifteen thousand, nine hundred eighty-three".