9961473 has 16 divisors (see below), whose sum is σ = 14446080. Its totient is φ = 6080256.

The previous prime is 9961463. The next prime is 9961487. The reversal of 9961473 is 3741699.

It is a Cullen number, since it is equal to 19×2¹⁹+1.

It is not a de Polignac number, because 9961473 - 2⁹ = 9960961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9961463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753 + ... + 4526.

It is an arithmetic number, because the mean of its divisors is an integer number (902880).

It is a Proth number, since it is equal to 19 ⋅ 2¹⁹ + 1 and 19 < 2¹⁹.

Almost surely, 2^9961473 is an apocalyptic number.

It is an amenable number.

9961473 is a deficient number, since it is larger than the sum of its proper divisors (4484607).

9961473 is a wasteful number, since it uses less digits than its factorization.

9961473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336.

The product of its digits is 40824, while the sum is 39.

The square root of 9961473 is about 3156.1801279395. The cubic root of 9961473 is about 215.1664332351.

The spelling of 9961473 in words is "nine million, nine hundred sixty-one thousand, four hundred seventy-three".