396676887 has 4 divisors (see below), whose sum is σ = 528902520. Its totient is φ = 264451256.

The previous prime is 396676879. The next prime is 396676901. The reversal of 396676887 is 788676693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396676887 - 2³ = 396676879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396676887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396675887) 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 3 ways as a sum of consecutive naturals, for example, 66112812 + ... + 66112817.

It is an arithmetic number, because the mean of its divisors is an integer number (132225630).

Almost surely, 2^396676887 is an apocalyptic number.

396676887 is a deficient number, since it is larger than the sum of its proper divisors (132225633).

396676887 is a wasteful number, since it uses less digits than its factorization.

396676887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132225632.

The product of its digits is 18289152, while the sum is 60.

The square root of 396676887 is about 19916.7489063853. The cubic root of 396676887 is about 734.7602142517.

The spelling of 396676887 in words is "three hundred ninety-six million, six hundred seventy-six thousand, eight hundred eighty-seven".