406898361 has 12 divisors (see below), whose sum is σ = 603627492. Its totient is φ = 263933856.

The previous prime is 406898353. The next prime is 406898363. The reversal of 406898361 is 163898604.

It can be written as a sum of positive squares in 2 ways, for example, as 195021225 + 211877136 = 13965^2 + 14556^2 .

It is not a de Polignac number, because 406898361 - 2³ = 406898353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (406898363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610626 + ... + 611291.

It is an arithmetic number, because the mean of its divisors is an integer number (50302291).

Almost surely, 2^406898361 is an apocalyptic number.

It is an amenable number.

406898361 is a deficient number, since it is larger than the sum of its proper divisors (196729131).

406898361 is a wasteful number, since it uses less digits than its factorization.

406898361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221960 (or 1221957 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 406898361 is about 20171.7218154524. The cubic root of 406898361 is about 741.0178111516.

The spelling of 406898361 in words is "four hundred six million, eight hundred ninety-eight thousand, three hundred sixty-one".