9610861 has 24 divisors (see below), whose sum is σ = 11265480. Its totient is φ = 8176896.

The previous prime is 9610841. The next prime is 9610871. The reversal of 9610861 is 1680169.

It is a happy number.

9610861 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 1664100 + 7946761 = 1290^2 + 2819^2 .

It is not a de Polignac number, because 9610861 - 2¹³ = 9602669 is a prime.

It is a super-2 number, since 2×9610861² = 184737298322642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9610841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181311 + ... + 181363.

It is an arithmetic number, because the mean of its divisors is an integer number (469395).

Almost surely, 2^9610861 is an apocalyptic number.

9610861 is the 1961-st heptagonal number.

It is an amenable number.

9610861 is a deficient number, since it is larger than the sum of its proper divisors (1654619).

9610861 is a wasteful number, since it uses less digits than its factorization.

9610861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9610861 is about 3100.1388678574. The cubic root of 9610861 is about 212.6118331763.

It can be divided in two parts, 96108 and 61, that added together give a palindrome (96169).

The spelling of 9610861 in words is "nine million, six hundred ten thousand, eight hundred sixty-one".