400062867 has 4 divisors (see below), whose sum is σ = 533417160. Its totient is φ = 266708576.

The previous prime is 400062857. The next prime is 400062869. The reversal of 400062867 is 768260004.

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 400062867 - 2¹⁰ = 400061843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400062869) 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, 66677142 + ... + 66677147.

It is an arithmetic number, because the mean of its divisors is an integer number (133354290).

Almost surely, 2^400062867 is an apocalyptic number.

400062867 is a deficient number, since it is larger than the sum of its proper divisors (133354293).

400062867 is a wasteful number, since it uses less digits than its factorization.

400062867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133354292.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 400062867 is about 20001.5716132508. The cubic root of 400062867 is about 736.8448983740.

The spelling of 400062867 in words is "four hundred million, sixty-two thousand, eight hundred sixty-seven".