406635241 has 4 divisors (see below), whose sum is σ = 407097684. Its totient is φ = 406172800.

The previous prime is 406635233. The next prime is 406635259. The reversal of 406635241 is 142536604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120890025 + 285745216 = 10995^2 + 16904^2 .

It is a cyclic number.

It is not a de Polignac number, because 406635241 - 2³ = 406635233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406635221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229900 + ... + 231661.

It is an arithmetic number, because the mean of its divisors is an integer number (101774421).

Almost surely, 2^406635241 is an apocalyptic number.

It is an amenable number.

406635241 is a deficient number, since it is larger than the sum of its proper divisors (462443).

406635241 is an equidigital number, since it uses as much as digits as its factorization.

406635241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462442.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 406635241 is about 20165.1987592486. The cubic root of 406635241 is about 740.8580508221.

The spelling of 406635241 in words is "four hundred six million, six hundred thirty-five thousand, two hundred forty-one".