401101906 has 16 divisors (see below), whose sum is σ = 613217880. Its totient is φ = 196732800.

The previous prime is 401101903. The next prime is 401101937. The reversal of 401101906 is 609101104.

It can be written as a sum of positive squares in 4 ways, for example, as 393030625 + 8071281 = 19825^2 + 2841^2 .

It is not an unprimeable number, because it can be changed into a prime (401101903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12910 + ... + 31126.

Almost surely, 2^401101906 is an apocalyptic number.

401101906 is a deficient number, since it is larger than the sum of its proper divisors (212115974).

401101906 is a wasteful number, since it uses less digits than its factorization.

401101906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18429.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 401101906 is about 20027.5287042610. The cubic root of 401101906 is about 737.4822554765.

The spelling of 401101906 in words is "four hundred one million, one hundred one thousand, nine hundred six".