2861912 has 8 divisors (see below), whose sum is σ = 5366100. Its totient is φ = 1430952.

The previous prime is 2861909. The next prime is 2861917. The reversal of 2861912 is 2191682.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-5 number, since 5×2861912⁵ (a number of 33 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178862 + ... + 178877.

2^2861912 is an apocalyptic number.

It is an amenable number.

2861912 is a deficient number, since it is larger than the sum of its proper divisors (2504188).

2861912 is a wasteful number, since it uses less digits than its factorization.

2861912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357745 (or 357741 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 2861912 is about 1691.7186527316. The cubic root of 2861912 is about 141.9772495457.

It can be divided in two parts, 2861 and 912, that added together give a palindrome (3773).

The spelling of 2861912 in words is "two million, eight hundred sixty-one thousand, nine hundred twelve".