1461886849 has 8 divisors (see below), whose sum is σ = 1473593472. Its totient is φ = 1450218000.

The previous prime is 1461886841. The next prime is 1461886873. The reversal of 1461886849 is 9486881641.

It is a happy number.

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 1461886849 - 2³ = 1461886841 is a prime.

It is a super-2 number, since 2×1461886849² = 4274226318558297602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1461886849.

It is not an unprimeable number, because it can be changed into a prime (1461886841) 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, 70974 + ... + 89224.

It is an arithmetic number, because the mean of its divisors is an integer number (184199184).

Almost surely, 2^1461886849 is an apocalyptic number.

It is an amenable number.

1461886849 is a deficient number, since it is larger than the sum of its proper divisors (11706623).

1461886849 is a wasteful number, since it uses less digits than its factorization.

1461886849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887.

The product of its digits is 2654208, while the sum is 55.

The square root of 1461886849 is about 38234.6289245757. The cubic root of 1461886849 is about 1134.9356892669.

The spelling of 1461886849 in words is "one billion, four hundred sixty-one million, eight hundred eighty-six thousand, eight hundred forty-nine".