406930 has 8 divisors (see below), whose sum is σ = 732492. Its totient is φ = 162768.

The previous prime is 406907. The next prime is 406951. The reversal of 406930 is 39604.

406930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 400689 + 6241 = 633^2 + 79^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20337 + ... + 20356.

2⁴⁰⁶⁹³⁰ is an apocalyptic number.

406930 is a deficient number, since it is larger than the sum of its proper divisors (325562).

406930 is a wasteful number, since it uses less digits than its factorization.

406930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40700.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 406930 is about 637.9106520509. The cubic root of 406930 is about 74.1037016976.

The spelling of 406930 in words is "four hundred six thousand, nine hundred thirty".