400976063 has 4 divisors (see below), whose sum is σ = 401016888. Its totient is φ = 400935240.

The previous prime is 400976053. The next prime is 400976083. The reversal of 400976063 is 360679004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 400976063 - 2⁴ = 400976047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400976003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4268 + ... + 28638.

It is an arithmetic number, because the mean of its divisors is an integer number (100254222).

Almost surely, 2^400976063 is an apocalyptic number.

400976063 is a deficient number, since it is larger than the sum of its proper divisors (40825).

400976063 is a wasteful number, since it uses less digits than its factorization.

400976063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40824.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 400976063 is about 20024.3867072128. The cubic root of 400976063 is about 737.4051207255.

The spelling of 400976063 in words is "four hundred million, nine hundred seventy-six thousand, sixty-three".