416549897 has 4 divisors (see below), whose sum is σ = 417512340. Its totient is φ = 415587456.

The previous prime is 416549891. The next prime is 416549953. The reversal of 416549897 is 798945614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798945614 = 2 ⋅399472807.

It can be written as a sum of positive squares in 2 ways, for example, as 34386496 + 382163401 = 5864^2 + 19549^2 .

It is a cyclic number.

It is not a de Polignac number, because 416549897 - 2²⁶ = 349441033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416549891) 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, 480572 + ... + 481437.

It is an arithmetic number, because the mean of its divisors is an integer number (104378085).

Almost surely, 2^416549897 is an apocalyptic number.

It is an amenable number.

416549897 is a deficient number, since it is larger than the sum of its proper divisors (962443).

416549897 is an equidigital number, since it uses as much as digits as its factorization.

416549897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962442.

The product of its digits is 2177280, while the sum is 53.

The square root of 416549897 is about 20409.5540617623. The cubic root of 416549897 is about 746.8310122889.

The spelling of 416549897 in words is "four hundred sixteen million, five hundred forty-nine thousand, eight hundred ninety-seven".