406506653 has 16 divisors (see below), whose sum is σ = 491520000. Its totient is φ = 328415472.

The previous prime is 406506643. The next prime is 406506731. The reversal of 406506653 is 356605604.

It is not a de Polignac number, because 406506653 - 2¹⁰ = 406505629 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 (406506643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18788 + ... + 34146.

It is an arithmetic number, because the mean of its divisors is an integer number (30720000).

Almost surely, 2^406506653 is an apocalyptic number.

It is an amenable number.

406506653 is a deficient number, since it is larger than the sum of its proper divisors (85013347).

406506653 is a wasteful number, since it uses less digits than its factorization.

406506653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15584.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 406506653 is about 20162.0101428404. The cubic root of 406506653 is about 740.7799501158.

The spelling of 406506653 in words is "four hundred six million, five hundred six thousand, six hundred fifty-three".