406266047 has 16 divisors (see below), whose sum is σ = 450696960. Its totient is φ = 363115200.

The previous prime is 406266019. The next prime is 406266059. The reversal of 406266047 is 740662604.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406266047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406265998 and 406266016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406266247) 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, 501779 + ... + 502587.

It is an arithmetic number, because the mean of its divisors is an integer number (28168560).

Almost surely, 2^406266047 is an apocalyptic number.

406266047 is a deficient number, since it is larger than the sum of its proper divisors (44430913).

406266047 is a wasteful number, since it uses less digits than its factorization.

406266047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 406266047 is about 20156.0424438926. The cubic root of 406266047 is about 740.6337685990.

The spelling of 406266047 in words is "four hundred six million, two hundred sixty-six thousand, forty-seven".