461397136 has 20 divisors (see below), whose sum is σ = 946543212. Its totient is φ = 217127936.

The previous prime is 461397133. The next prime is 461397199. The reversal of 461397136 is 631793164.

It can be written as a sum of positive squares in 2 ways, for example, as 180633600 + 280763536 = 13440^2 + 16756^2 .

It is not an unprimeable number, because it can be changed into a prime (461397133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847885 + ... + 848428.

Almost surely, 2^461397136 is an apocalyptic number.

It is an amenable number.

461397136 is an abundant number, since it is smaller than the sum of its proper divisors (485146076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461397136 is a wasteful number, since it uses less digits than its factorization.

461397136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696338 (or 1696332 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 461397136 is about 21480.1567964482. The cubic root of 461397136 is about 772.7250028311.

The spelling of 461397136 in words is "four hundred sixty-one million, three hundred ninety-seven thousand, one hundred thirty-six".