396140895 has 32 divisors (see below), whose sum is σ = 707639040. Its totient is φ = 210258720.

The previous prime is 396140881. The next prime is 396140903. The reversal of 396140895 is 598041693.

It is a happy number.

It is not a de Polignac number, because 396140895 - 2⁶ = 396140831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 396140895.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21532 + ... + 35438.

It is an arithmetic number, because the mean of its divisors is an integer number (22113720).

Almost surely, 2^396140895 is an apocalyptic number.

396140895 is a deficient number, since it is larger than the sum of its proper divisors (311498145).

396140895 is a wasteful number, since it uses less digits than its factorization.

396140895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14132 (or 14126 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 396140895 is about 19903.2885473733. The cubic root of 396140895 is about 734.4291277321.

The spelling of 396140895 in words is "three hundred ninety-six million, one hundred forty thousand, eight hundred ninety-five".