461186997 has 8 divisors (see below), whose sum is σ = 629216544. Its totient is φ = 300307728.

The previous prime is 461186989. The next prime is 461187037. The reversal of 461186997 is 799681164.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 461186997 - 2³ = 461186989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461181997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787418 + ... + 1787675.

It is an arithmetic number, because the mean of its divisors is an integer number (78652068).

Almost surely, 2^461186997 is an apocalyptic number.

It is an amenable number.

461186997 is a deficient number, since it is larger than the sum of its proper divisors (168029547).

461186997 is a wasteful number, since it uses less digits than its factorization.

461186997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575139.

The product of its digits is 653184, while the sum is 51.

The square root of 461186997 is about 21475.2647713596. The cubic root of 461186997 is about 772.6076748979.

The spelling of 461186997 in words is "four hundred sixty-one million, one hundred eighty-six thousand, nine hundred ninety-seven".