406746 has 24 divisors (see below), whose sum is σ = 898560. Its totient is φ = 132936.

The previous prime is 406739. The next prime is 406789. The reversal of 406746 is 647604.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 1253.

It is an arithmetic number, because the mean of its divisors is an integer number (37440).

2⁴⁰⁶⁷⁴⁶ is an apocalyptic number.

406746 is an abundant number, since it is smaller than the sum of its proper divisors (491814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406746 is a wasteful number, since it uses less digits than its factorization.

406746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 406746 is about 637.7664149201. The cubic root of 406746 is about 74.0925309501.

It can be divided in two parts, 40 and 6746, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 406746 in words is "four hundred six thousand, seven hundred forty-six".