406922971 has 8 divisors (see below), whose sum is σ = 500828384. Its totient is φ = 321960960.

The previous prime is 406922963. The next prime is 406922987. The reversal of 406922971 is 179229604.

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

It is a cyclic number.

It is not a de Polignac number, because 406922971 - 2³ = 406922963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406922911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235750 + ... + 2235931.

It is an arithmetic number, because the mean of its divisors is an integer number (62603548).

Almost surely, 2^406922971 is an apocalyptic number.

406922971 is a deficient number, since it is larger than the sum of its proper divisors (93905413).

406922971 is a wasteful number, since it uses less digits than its factorization.

406922971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471701.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 406922971 is about 20172.3318186074. The cubic root of 406922971 is about 741.0327502473.

The spelling of 406922971 in words is "four hundred six million, nine hundred twenty-two thousand, nine hundred seventy-one".