400624327 has 4 divisors (see below), whose sum is σ = 418042800. Its totient is φ = 383205856.

The previous prime is 400624321. The next prime is 400624349. The reversal of 400624327 is 723426004.

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 400624327 - 2⁷ = 400624199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400624295 and 400624304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400624321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8709202 + ... + 8709247.

It is an arithmetic number, because the mean of its divisors is an integer number (104510700).

Almost surely, 2^400624327 is an apocalyptic number.

400624327 is a deficient number, since it is larger than the sum of its proper divisors (17418473).

400624327 is a wasteful number, since it uses less digits than its factorization.

400624327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17418472.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 400624327 is about 20015.6020893702. The cubic root of 400624327 is about 737.1894405151.

The spelling of 400624327 in words is "four hundred million, six hundred twenty-four thousand, three hundred twenty-seven".