400608104 has 16 divisors (see below), whose sum is σ = 808920420. Its totient is φ = 184896000.

The previous prime is 400608101. The next prime is 400608113. The reversal of 400608104 is 401806004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 382984900 + 17623204 = 19570^2 + 4198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400608104.

It is not an unprimeable number, because it can be changed into a prime (400608101) 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, 1925897 + ... + 1926104.

Almost surely, 2^400608104 is an apocalyptic number.

It is an amenable number.

400608104 is an abundant number, since it is smaller than the sum of its proper divisors (408312316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400608104 is a wasteful number, since it uses less digits than its factorization.

400608104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852020 (or 3852016 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 400608104 is about 20015.1968264117. The cubic root of 400608104 is about 737.1794897251.

The spelling of 400608104 in words is "four hundred million, six hundred eight thousand, one hundred four".