406085699 has 2 divisors, whose sum is σ = 406085700. Its totient is φ = 406085698.

The previous prime is 406085663. The next prime is 406085737. The reversal of 406085699 is 996580604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406085699 is a prime.

It is a super-3 number, since 3×406085699³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (406085609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203042849 + 203042850.

It is an arithmetic number, because the mean of its divisors is an integer number (203042850).

Almost surely, 2^406085699 is an apocalyptic number.

406085699 is a deficient number, since it is larger than the sum of its proper divisors (1).

406085699 is an equidigital number, since it uses as much as digits as its factorization.

406085699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 406085699 is about 20151.5681523796. The cubic root of 406085699 is about 740.5241593174.

The spelling of 406085699 in words is "four hundred six million, eighty-five thousand, six hundred ninety-nine".