3162861 has 16 divisors (see below), whose sum is σ = 5046720. Its totient is φ = 1946160.

The previous prime is 3162857. The next prime is 3162877. The reversal of 3162861 is 1682613.

3162861 is a `hidden beast` number, since 31 + 628 + 6 + 1 = 666.

It is not a de Polignac number, because 3162861 - 2² = 3162857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162811) 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, 4155 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (315420).

Almost surely, 2^3162861 is an apocalyptic number.

It is an amenable number.

3162861 is a deficient number, since it is larger than the sum of its proper divisors (1883859).

3162861 is a wasteful number, since it uses less digits than its factorization.

3162861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033 (or 9027 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3162861 is about 1778.4434205226. The cubic root of 3162861 is about 146.7889516195.

The spelling of 3162861 in words is "three million, one hundred sixty-two thousand, eight hundred sixty-one".