406950691 has 16 divisors (see below), whose sum is σ = 474980544. Its totient is φ = 341466624.

The previous prime is 406950689. The next prime is 406950727. The reversal of 406950691 is 196059604.

It is a cyclic number.

It is not a de Polignac number, because 406950691 - 2¹ = 406950689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406950091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 67101 + ... + 72913.

It is an arithmetic number, because the mean of its divisors is an integer number (29686284).

Almost surely, 2^406950691 is an apocalyptic number.

406950691 is a deficient number, since it is larger than the sum of its proper divisors (68029853).

406950691 is a wasteful number, since it uses less digits than its factorization.

406950691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 406950691 is about 20173.0188866218. The cubic root of 406950691 is about 741.0495764961.

The spelling of 406950691 in words is "four hundred six million, nine hundred fifty thousand, six hundred ninety-one".