400504607 has 4 divisors (see below), whose sum is σ = 400897896. Its totient is φ = 400111320.

The previous prime is 400504571. The next prime is 400504609. The reversal of 400504607 is 706405004.

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 400504607 - 2¹² = 400500511 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 (400504609) 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, 195113 + ... + 197154.

It is an arithmetic number, because the mean of its divisors is an integer number (100224474).

Almost surely, 2^400504607 is an apocalyptic number.

400504607 is a deficient number, since it is larger than the sum of its proper divisors (393289).

400504607 is a wasteful number, since it uses less digits than its factorization.

400504607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393288.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 400504607 is about 20012.6111989415. The cubic root of 400504607 is about 737.1160008805.

The spelling of 400504607 in words is "four hundred million, five hundred four thousand, six hundred seven".