461489749 has 8 divisors (see below), whose sum is σ = 532538240. Its totient is φ = 391721616.

The previous prime is 461489747. The next prime is 461489773. The reversal of 461489749 is 947984164.

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

It is a cyclic number.

It is not a de Polignac number, because 461489749 - 2¹ = 461489747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461489696 and 461489705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461489747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319314 + ... + 320755.

It is an arithmetic number, because the mean of its divisors is an integer number (66567280).

Almost surely, 2^461489749 is an apocalyptic number.

It is an amenable number.

461489749 is a deficient number, since it is larger than the sum of its proper divisors (71048491).

461489749 is a wasteful number, since it uses less digits than its factorization.

461489749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640179.

The product of its digits is 1741824, while the sum is 52.

The square root of 461489749 is about 21482.3124686334. The cubic root of 461489749 is about 772.7767005895.

The spelling of 461489749 in words is "four hundred sixty-one million, four hundred eighty-nine thousand, seven hundred forty-nine".