2861376 has 56 divisors (see below), whose sum is σ = 8656320. Its totient is φ = 817152.

The previous prime is 2861363. The next prime is 2861377. The reversal of 2861376 is 6731682.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2861376² = 16374945226752, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 2408.

2^2861376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2861376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328160).

2861376 is an abundant number, since it is smaller than the sum of its proper divisors (5794944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2861376 is a wasteful number, since it uses less digits than its factorization.

2861376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2141 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 2861376 is about 1691.5602265364. The cubic root of 2861376 is about 141.9683854767.

The spelling of 2861376 in words is "two million, eight hundred sixty-one thousand, three hundred seventy-six".