2861472 has 48 divisors (see below), whose sum is σ = 7705152. Its totient is φ = 929280.

The previous prime is 2861471. The next prime is 2861479. The reversal of 2861472 is 2741682.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2861471) 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, 3573 + ... + 4299.

It is an arithmetic number, because the mean of its divisors is an integer number (160524).

2^2861472 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 2861472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3852576).

2861472 is an abundant number, since it is smaller than the sum of its proper divisors (4843680).

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

2861472 is a wasteful number, since it uses less digits than its factorization.

2861472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 773 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 2861472 is about 1691.5886024681. The cubic root of 2861472 is about 141.9699731525.

It can be divided in two parts, 2861 and 472, that added together give a palindrome (3333).

The spelling of 2861472 in words is "two million, eight hundred sixty-one thousand, four hundred seventy-two".