15814961 has 8 divisors (see below), whose sum is σ = 16568064. Its totient is φ = 15067360.

The previous prime is 15814957. The next prime is 15815029. The reversal of 15814961 is 16941851.

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 15814961 - 2² = 15814957 is a prime.

It is a super-2 number, since 2×15814961² = 500225982863042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15814261) 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 7 ways as a sum of consecutive naturals, for example, 5240 + ... + 7686.

It is an arithmetic number, because the mean of its divisors is an integer number (2071008).

Almost surely, 2^15814961 is an apocalyptic number.

It is an amenable number.

15814961 is a deficient number, since it is larger than the sum of its proper divisors (753103).

15814961 is a wasteful number, since it uses less digits than its factorization.

15814961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its digits is 8640, while the sum is 35.

The square root of 15814961 is about 3976.8028615962. The cubic root of 15814961 is about 251.0090471493.

The spelling of 15814961 in words is "fifteen million, eight hundred fourteen thousand, nine hundred sixty-one".