406414261 has 4 divisors (see below), whose sum is σ = 443361024. Its totient is φ = 369467500.

The previous prime is 406414259. The next prime is 406414273. The reversal of 406414261 is 162414604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406414261 - 2¹ = 406414259 is a prime.

It is a super-2 number, since 2×406414261² = 330345103088352242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406414661) 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, 18473365 + ... + 18473386.

It is an arithmetic number, because the mean of its divisors is an integer number (110840256).

Almost surely, 2^406414261 is an apocalyptic number.

It is an amenable number.

406414261 is a deficient number, since it is larger than the sum of its proper divisors (36946763).

406414261 is a wasteful number, since it uses less digits than its factorization.

406414261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36946762.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 406414261 is about 20159.7187728401. The cubic root of 406414261 is about 740.7238236650.

Adding to 406414261 its reverse (162414604), we get a palindrome (568828865).

The spelling of 406414261 in words is "four hundred six million, four hundred fourteen thousand, two hundred sixty-one".