406106445 has 16 divisors (see below), whose sum is σ = 650086272. Its totient is φ = 216484800.

The previous prime is 406106383. The next prime is 406106447. The reversal of 406106445 is 544601604.

It is not a de Polignac number, because 406106445 - 2⁷ = 406106317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406106447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32959 + ... + 43571.

It is an arithmetic number, because the mean of its divisors is an integer number (40630392).

Almost surely, 2^406106445 is an apocalyptic number.

It is an amenable number.

406106445 is a deficient number, since it is larger than the sum of its proper divisors (243979827).

406106445 is a wasteful number, since it uses less digits than its factorization.

406106445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 406106445 is about 20152.0828948275. The cubic root of 406106445 is about 740.5367696708.

The spelling of 406106445 in words is "four hundred six million, one hundred six thousand, four hundred forty-five".