395273403 has 36 divisors (see below), whose sum is σ = 659383920. Its totient is φ = 223515936.

The previous prime is 395273399. The next prime is 395273407. The reversal of 395273403 is 304372593.

It is an interprime number because it is at equal distance from previous prime (395273399) and next prime (395273407).

It is not a de Polignac number, because 395273403 - 2² = 395273399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (395273407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1015933 + ... + 1016321.

It is an arithmetic number, because the mean of its divisors is an integer number (18316220).

Almost surely, 2^395273403 is an apocalyptic number.

395273403 is a deficient number, since it is larger than the sum of its proper divisors (264110517).

395273403 is a wasteful number, since it uses less digits than its factorization.

395273403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 395273403 is about 19881.4839234902. The cubic root of 395273403 is about 733.8926376192.

The spelling of 395273403 in words is "three hundred ninety-five million, two hundred seventy-three thousand, four hundred three".