406004626 has 16 divisors (see below), whose sum is σ = 633011904. Its totient is φ = 195133104.

The previous prime is 406004623. The next prime is 406004629. The reversal of 406004626 is 626400604.

It is an interprime number because it is at equal distance from previous prime (406004623) and next prime (406004629).

It is a junction number, because it is equal to n+sod(n) for n = 406004594 and 406004603.

It is not an unprimeable number, because it can be changed into a prime (406004623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26910 + ... + 39193.

It is an arithmetic number, because the mean of its divisors is an integer number (39563244).

Almost surely, 2^406004626 is an apocalyptic number.

406004626 is a deficient number, since it is larger than the sum of its proper divisors (227007278).

406004626 is a wasteful number, since it uses less digits than its factorization.

406004626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66225.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 406004626 is about 20149.5564715455. The cubic root of 406004626 is about 740.4748753763.

The spelling of 406004626 in words is "four hundred six million, four thousand, six hundred twenty-six".