406661453 has 8 divisors (see below), whose sum is σ = 451150560. Its totient is φ = 363425680.

The previous prime is 406661447. The next prime is 406661467. The reversal of 406661453 is 354166604.

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

It is a cyclic number.

It is not a de Polignac number, because 406661453 - 2¹⁸ = 406399309 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 (406661443) 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, 312650 + ... + 313947.

It is an arithmetic number, because the mean of its divisors is an integer number (56393820).

Almost surely, 2^406661453 is an apocalyptic number.

It is an amenable number.

406661453 is a deficient number, since it is larger than the sum of its proper divisors (44489107).

406661453 is a wasteful number, since it uses less digits than its factorization.

406661453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626667.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 406661453 is about 20165.8486803804. The cubic root of 406661453 is about 740.8739692276.

The spelling of 406661453 in words is "four hundred six million, six hundred sixty-one thousand, four hundred fifty-three".