396388895 has 8 divisors (see below), whose sum is σ = 543619104. Its totient is φ = 271809504.

The previous prime is 396388879. The next prime is 396388903. The reversal of 396388895 is 598883693.

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

It is a cyclic number.

It is not a de Polignac number, because 396388895 - 2⁴ = 396388879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5662664 + ... + 5662733.

It is an arithmetic number, because the mean of its divisors is an integer number (67952388).

Almost surely, 2^396388895 is an apocalyptic number.

396388895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

396388895 is a deficient number, since it is larger than the sum of its proper divisors (147230209).

396388895 is a wasteful number, since it uses less digits than its factorization.

396388895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325409.

The product of its digits is 11197440, while the sum is 59.

The square root of 396388895 is about 19909.5176988294. The cubic root of 396388895 is about 734.5823564028.

The spelling of 396388895 in words is "three hundred ninety-six million, three hundred eighty-eight thousand, eight hundred ninety-five".