406414645 has 16 divisors (see below), whose sum is σ = 600243840. Its totient is φ = 257246784.

The previous prime is 406414643. The next prime is 406414651. The reversal of 406414645 is 546414604.

It is a cyclic number.

It is not a de Polignac number, because 406414645 - 2¹ = 406414643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406414645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406414643) 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, 446155 + ... + 447064.

It is an arithmetic number, because the mean of its divisors is an integer number (37515240).

Almost surely, 2^406414645 is an apocalyptic number.

It is an amenable number.

406414645 is a deficient number, since it is larger than the sum of its proper divisors (193829195).

406414645 is a wasteful number, since it uses less digits than its factorization.

406414645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893244.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 406414645 is about 20159.7282967802. The cubic root of 406414645 is about 740.7240569556.

The spelling of 406414645 in words is "four hundred six million, four hundred fourteen thousand, six hundred forty-five".