400828675 has 12 divisors (see below), whose sum is σ = 535260880. Its totient is φ = 295996320.

The previous prime is 400828661. The next prime is 400828679. The reversal of 400828675 is 576828004.

It is not a de Polignac number, because 400828675 - 2⁹ = 400828163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400828679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616335 + ... + 616984.

Almost surely, 2^400828675 is an apocalyptic number.

400828675 is a deficient number, since it is larger than the sum of its proper divisors (134432205).

400828675 is a wasteful number, since it uses less digits than its factorization.

400828675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233342 (or 1233337 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 400828675 is about 20020.7061563772. The cubic root of 400828675 is about 737.3147595666.

The spelling of 400828675 in words is "four hundred million, eight hundred twenty-eight thousand, six hundred seventy-five".