406747 has 8 divisors (see below), whose sum is σ = 449280. Its totient is φ = 365160.

The previous prime is 406739. The next prime is 406789. The reversal of 406747 is 747604.

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 406747 - 2³ = 406739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2⁴⁰⁶⁷⁴⁷ is an apocalyptic number.

406747 is a deficient number, since it is larger than the sum of its proper divisors (42533).

406747 is a wasteful number, since it uses less digits than its factorization.

406747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 406747 is about 637.7671989057. The cubic root of 406747 is about 74.0925916698.

It can be divided in two parts, 4067 and 47, that added together give a palindrome (4114).

The spelling of 406747 in words is "four hundred six thousand, seven hundred forty-seven".