9961481 has 4 divisors (see below), whose sum is σ = 9988992. Its totient is φ = 9933972.

The previous prime is 9961463. The next prime is 9961487. The reversal of 9961481 is 1841699.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9961481 is a prime.

It is a super-2 number, since 2×9961481² = 198462207426722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9961487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13205 + ... + 13938.

It is an arithmetic number, because the mean of its divisors is an integer number (2497248).

Almost surely, 2^9961481 is an apocalyptic number.

It is an amenable number.

9961481 is a deficient number, since it is larger than the sum of its proper divisors (27511).

9961481 is a wasteful number, since it uses less digits than its factorization.

9961481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27510.

The product of its digits is 15552, while the sum is 38.

The square root of 9961481 is about 3156.1813952940. The cubic root of 9961481 is about 215.1664908347.

The spelling of 9961481 in words is "nine million, nine hundred sixty-one thousand, four hundred eighty-one".