400096915 has 4 divisors (see below), whose sum is σ = 480116304. Its totient is φ = 320077528.

The previous prime is 400096909. The next prime is 400096933. The reversal of 400096915 is 519690004.

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 400096915 - 2⁵ = 400096883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 40009687 + ... + 40009696.

It is an arithmetic number, because the mean of its divisors is an integer number (120029076).

Almost surely, 2^400096915 is an apocalyptic number.

400096915 is a deficient number, since it is larger than the sum of its proper divisors (80019389).

400096915 is an equidigital number, since it uses as much as digits as its factorization.

400096915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80019388.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 400096915 is about 20002.4227282597. The cubic root of 400096915 is about 736.8658012416.

The spelling of 400096915 in words is "four hundred million, ninety-six thousand, nine hundred fifteen".