846227457 has 6 divisors (see below), whose sum is σ = 1222328562. Its totient is φ = 564151632.

The previous prime is 846227363. The next prime is 846227483. The reversal of 846227457 is 754722648.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 794732481 + 51494976 = 28191^2 + 7176^2 .

It is not a de Polignac number, because 846227457 - 2⁷ = 846227329 is a prime.

It is a super-2 number, since 2×846227457² = 1432201817961373698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (846227257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47012628 + ... + 47012645.

It is an arithmetic number, because the mean of its divisors is an integer number (203721427).

Almost surely, 2^846227457 is an apocalyptic number.

It is an amenable number.

846227457 is a deficient number, since it is larger than the sum of its proper divisors (376101105).

846227457 is a wasteful number, since it uses less digits than its factorization.

846227457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94025279 (or 94025276 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 846227457 is about 29089.9889480900. The cubic root of 846227457 is about 945.8647430160.

The spelling of 846227457 in words is "eight hundred forty-six million, two hundred twenty-seven thousand, four hundred fifty-seven".