406725585 has 16 divisors (see below), whose sum is σ = 743726976. Its totient is φ = 185931648.

The previous prime is 406725581. The next prime is 406725653. The reversal of 406725585 is 585527604.

406725585 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 406725585 - 2² = 406725581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406725581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936684 + ... + 1936893.

It is an arithmetic number, because the mean of its divisors is an integer number (46482936).

Almost surely, 2^406725585 is an apocalyptic number.

It is an amenable number.

406725585 is a deficient number, since it is larger than the sum of its proper divisors (337001391).

406725585 is a wasteful number, since it uses less digits than its factorization.

406725585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873592.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 406725585 is about 20167.4387317775. The cubic root of 406725585 is about 740.9129133596.

The spelling of 406725585 in words is "four hundred six million, seven hundred twenty-five thousand, five hundred eighty-five".