406642713 has 16 divisors (see below), whose sum is σ = 546742080. Its totient is φ = 268828416.

The previous prime is 406642711. The next prime is 406642723. The reversal of 406642713 is 317246604.

It is a happy number.

It is not a de Polignac number, because 406642713 - 2¹ = 406642711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (406642711) 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, 244581 + ... + 246237.

It is an arithmetic number, because the mean of its divisors is an integer number (34171380).

Almost surely, 2^406642713 is an apocalyptic number.

It is an amenable number.

406642713 is a deficient number, since it is larger than the sum of its proper divisors (140099367).

406642713 is a wasteful number, since it uses less digits than its factorization.

406642713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 406642713 is about 20165.3840280814. The cubic root of 406642713 is about 740.8625885969.

The spelling of 406642713 in words is "four hundred six million, six hundred forty-two thousand, seven hundred thirteen".