2909952 has 72 divisors (see below), whose sum is σ = 8625680. Its totient is φ = 967680.

The previous prime is 2909923. The next prime is 2909957. The reversal of 2909952 is 2599092.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909957) 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, 6702 + ... + 7122.

2^2909952 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 2909952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312840).

2909952 is an abundant number, since it is smaller than the sum of its proper divisors (5715728).

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

2909952 is an equidigital number, since it uses as much as digits as its factorization.

2909952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 2909952 is about 1705.8581418160. The cubic root of 2909952 is about 142.7672546908.

The spelling of 2909952 in words is "two million, nine hundred nine thousand, nine hundred fifty-two".