406460427 has 8 divisors (see below), whose sum is σ = 543062016. Its totient is φ = 270416232.

The previous prime is 406460413. The next prime is 406460449. The reversal of 406460427 is 724064604.

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

It is not a de Polignac number, because 406460427 - 2⁶ = 406460363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406460477) 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 7 ways as a sum of consecutive naturals, for example, 137643 + ... + 140564.

It is an arithmetic number, because the mean of its divisors is an integer number (67882752).

Almost surely, 2^406460427 is an apocalyptic number.

406460427 is a deficient number, since it is larger than the sum of its proper divisors (136601589).

406460427 is a wasteful number, since it uses less digits than its factorization.

406460427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278697.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 406460427 is about 20160.8637463775. The cubic root of 406460427 is about 740.7518697291.

The spelling of 406460427 in words is "four hundred six million, four hundred sixty thousand, four hundred twenty-seven".