395966253 has 8 divisors (see below), whose sum is σ = 528810400. Its totient is φ = 263549808.

The previous prime is 395966239. The next prime is 395966273. The reversal of 395966253 is 352669593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 395966253 - 2¹⁶ = 395900717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395966273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104758 + ... + 108471.

It is an arithmetic number, because the mean of its divisors is an integer number (66101300).

Almost surely, 2^395966253 is an apocalyptic number.

It is an amenable number.

395966253 is a deficient number, since it is larger than the sum of its proper divisors (132844147).

395966253 is a wasteful number, since it uses less digits than its factorization.

395966253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213851.

The product of its digits is 1312200, while the sum is 48.

The square root of 395966253 is about 19898.9007987879. The cubic root of 395966253 is about 734.3211854769.

The spelling of 395966253 in words is "three hundred ninety-five million, nine hundred sixty-six thousand, two hundred fifty-three".