406750 has 16 divisors (see below), whose sum is σ = 761904. Its totient is φ = 162600.

The previous prime is 406739. The next prime is 406789. The reversal of 406750 is 57604.

It is a congruent number.

It is an unprimeable number.

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, 564 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (47619).

2⁴⁰⁶⁷⁵⁰ is an apocalyptic number.

406750 is a deficient number, since it is larger than the sum of its proper divisors (355154).

406750 is a wasteful number, since it uses less digits than its factorization.

406750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 406750 is about 637.7695508567. The cubic root of 406750 is about 74.0927738283.

It can be divided in two parts, 406 and 750, that added together give a square (1156 = 34²).

The spelling of 406750 in words is "four hundred six thousand, seven hundred fifty".