2861952 has 64 divisors (see below), whose sum is σ = 7894800. Its totient is φ = 917504.

The previous prime is 2861941. The next prime is 2861977. The reversal of 2861952 is 2591682.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11008 + ... + 11264.

2^2861952 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 2861952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3947400).

2861952 is an abundant number, since it is smaller than the sum of its proper divisors (5032848).

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

2861952 is a wasteful number, since it uses less digits than its factorization.

2861952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 291 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 2861952 is about 1691.7304749871. The cubic root of 2861952 is about 141.9779109991.

The spelling of 2861952 in words is "two million, eight hundred sixty-one thousand, nine hundred fifty-two".