406034639 has 2 divisors, whose sum is σ = 406034640. Its totient is φ = 406034638.

The previous prime is 406034599. The next prime is 406034653. The reversal of 406034639 is 936430604.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406034639 - 2⁸ = 406034383 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 406034599 and 406034608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406034659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203017319 + 203017320.

It is an arithmetic number, because the mean of its divisors is an integer number (203017320).

Almost surely, 2^406034639 is an apocalyptic number.

406034639 is a deficient number, since it is larger than the sum of its proper divisors (1).

406034639 is an equidigital number, since it uses as much as digits as its factorization.

406034639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 406034639 is about 20150.3012136295. The cubic root of 406034639 is about 740.4931209195.

The spelling of 406034639 in words is "four hundred six million, thirty-four thousand, six hundred thirty-nine".