9962861 has 4 divisors (see below), whose sum is σ = 9985500. Its totient is φ = 9940224.

The previous prime is 9962857. The next prime is 9962891. The reversal of 9962861 is 1682699.

9962861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1682699 = 293 ⋅5743.

It can be written as a sum of positive squares in 2 ways, for example, as 6375625 + 3587236 = 2525^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 9962861 - 2² = 9962857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9962801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10646 + ... + 11543.

It is an arithmetic number, because the mean of its divisors is an integer number (2496375).

Almost surely, 2^9962861 is an apocalyptic number.

It is an amenable number.

9962861 is a deficient number, since it is larger than the sum of its proper divisors (22639).

9962861 is a wasteful number, since it uses less digits than its factorization.

9962861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22638.

The product of its digits is 46656, while the sum is 41.

The square root of 9962861 is about 3156.4000063363. The cubic root of 9962861 is about 215.1764263067.

The spelling of 9962861 in words is "nine million, nine hundred sixty-two thousand, eight hundred sixty-one".