400373101 has 4 divisors (see below), whose sum is σ = 414179100. Its totient is φ = 386567104.

The previous prime is 400373089. The next prime is 400373107. The reversal of 400373101 is 101373004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334341225 + 66031876 = 18285^2 + 8126^2 .

It is a cyclic number.

It is not a de Polignac number, because 400373101 - 2¹¹ = 400371053 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 (400373107) by changing a digit.

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, 6902956 + ... + 6903013.

It is an arithmetic number, because the mean of its divisors is an integer number (103544775).

Almost surely, 2^400373101 is an apocalyptic number.

It is an amenable number.

400373101 is a deficient number, since it is larger than the sum of its proper divisors (13805999).

400373101 is a wasteful number, since it uses less digits than its factorization.

400373101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13805998.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 400373101 is about 20009.3253509457. The cubic root of 400373101 is about 737.0353145108.

The spelling of 400373101 in words is "four hundred million, three hundred seventy-three thousand, one hundred one".