9672861 has 12 divisors (see below), whose sum is σ = 14176736. Its totient is φ = 5862120.

The previous prime is 9672853. The next prime is 9672869. The reversal of 9672861 is 1682769.

9672861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9672853) and next prime (9672869).

It is not a de Polignac number, because 9672861 - 2³ = 9672853 is a prime.

It is a Duffinian number.

9672861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9672869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12961 + ... + 13686.

Almost surely, 2^9672861 is an apocalyptic number.

It is an amenable number.

9672861 is a deficient number, since it is larger than the sum of its proper divisors (4503875).

9672861 is a wasteful number, since it uses less digits than its factorization.

9672861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26672 (or 26661 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 9672861 is about 3110.1223448604. The cubic root of 9672861 is about 213.0680423583.

It can be divided in two parts, 967 and 2861, that added together give a triangular number (3828 = T₈₇).

The spelling of 9672861 in words is "nine million, six hundred seventy-two thousand, eight hundred sixty-one".