400173106 has 8 divisors (see below), whose sum is σ = 600943644. Its totient is φ = 199858560.

The previous prime is 400173101. The next prime is 400173119. The reversal of 400173106 is 601371004.

It can be written as a sum of positive squares in 2 ways, for example, as 396209025 + 3964081 = 19905^2 + 1991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (400173101) 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, 111795 + ... + 115318.

Almost surely, 2^400173106 is an apocalyptic number.

400173106 is a deficient number, since it is larger than the sum of its proper divisors (200770538).

400173106 is a wasteful number, since it uses less digits than its factorization.

400173106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227996.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 400173106 is about 20004.3271818874. The cubic root of 400173106 is about 736.9125723920.

The spelling of 400173106 in words is "four hundred million, one hundred seventy-three thousand, one hundred six".