406380975 has 96 divisors (see below), whose sum is σ = 902275584. Its totient is φ = 155865600.

The previous prime is 406380913. The next prime is 406380991. The reversal of 406380975 is 579083604.

It is a happy number.

406380975 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 406380975 - 2⁹ = 406380463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72369 + ... + 77781.

It is an arithmetic number, because the mean of its divisors is an integer number (9398704).

Almost surely, 2^406380975 is an apocalyptic number.

406380975 is an abundant number, since it is smaller than the sum of its proper divisors (495894609).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406380975 is a wasteful number, since it uses less digits than its factorization.

406380975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457 (or 5452 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 406380975 is about 20158.8931987845. The cubic root of 406380975 is about 740.7036009442.

The spelling of 406380975 in words is "four hundred six million, three hundred eighty thousand, nine hundred seventy-five".