400696845 has 16 divisors (see below), whose sum is σ = 641457792. Its totient is φ = 213590720.

The previous prime is 400696837. The next prime is 400696847. The reversal of 400696845 is 548696004.

It is not a de Polignac number, because 400696845 - 2³ = 400696837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400696797 and 400696806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400696847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27160 + ... + 39230.

It is an arithmetic number, because the mean of its divisors is an integer number (40091112).

Almost surely, 2^400696845 is an apocalyptic number.

It is an amenable number.

400696845 is a deficient number, since it is larger than the sum of its proper divisors (240760947).

400696845 is a wasteful number, since it uses less digits than its factorization.

400696845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14292.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 400696845 is about 20017.4135442119. The cubic root of 400696845 is about 737.2339179927.

The spelling of 400696845 in words is "four hundred million, six hundred ninety-six thousand, eight hundred forty-five".