406706741 has 16 divisors (see below), whose sum is σ = 470870400. Its totient is φ = 344079360.

The previous prime is 406706719. The next prime is 406706747. The reversal of 406706741 is 147607604.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406706741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406706747) 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, 387185 + ... + 388233.

It is an arithmetic number, because the mean of its divisors is an integer number (29429400).

Almost surely, 2^406706741 is an apocalyptic number.

It is an amenable number.

406706741 is a deficient number, since it is larger than the sum of its proper divisors (64163659).

406706741 is a wasteful number, since it uses less digits than its factorization.

406706741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 406706741 is about 20166.9715376404. The cubic root of 406706741 is about 740.9014707727.

The spelling of 406706741 in words is "four hundred six million, seven hundred six thousand, seven hundred forty-one".