461740891 has 4 divisors (see below), whose sum is σ = 461888784. Its totient is φ = 461593000.

The previous prime is 461740883. The next prime is 461740897. The reversal of 461740891 is 198047164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461740891 - 2³ = 461740883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461740897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69160 + ... + 75541.

It is an arithmetic number, because the mean of its divisors is an integer number (115472196).

Almost surely, 2^461740891 is an apocalyptic number.

461740891 is a deficient number, since it is larger than the sum of its proper divisors (147893).

461740891 is a wasteful number, since it uses less digits than its factorization.

461740891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147892.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 461740891 is about 21488.1569940281. The cubic root of 461740891 is about 772.9168564592.

The spelling of 461740891 in words is "four hundred sixty-one million, seven hundred forty thousand, eight hundred ninety-one".