395953977 has 16 divisors (see below), whose sum is σ = 556424960. Its totient is φ = 249761232.

The previous prime is 395953967. The next prime is 395953981. The reversal of 395953977 is 779359593.

It is a happy number.

It is not a de Polignac number, because 395953977 - 2⁸ = 395953721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395953927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46398 + ... + 54264.

It is an arithmetic number, because the mean of its divisors is an integer number (34776560).

Almost surely, 2^395953977 is an apocalyptic number.

It is an amenable number.

395953977 is a deficient number, since it is larger than the sum of its proper divisors (160470983).

395953977 is a wasteful number, since it uses less digits than its factorization.

395953977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772.

The product of its digits is 8037225, while the sum is 57.

The square root of 395953977 is about 19898.5923371479. The cubic root of 395953977 is about 734.3135967661.

The spelling of 395953977 in words is "three hundred ninety-five million, nine hundred fifty-three thousand, nine hundred seventy-seven".