2809952 has 12 divisors (see below), whose sum is σ = 5532156. Its totient is φ = 1404960.

The previous prime is 2809931. The next prime is 2809973. The reversal of 2809952 is 2599082.

It is an interprime number because it is at equal distance from previous prime (2809931) and next prime (2809973).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43874 + ... + 43937.

It is an arithmetic number, because the mean of its divisors is an integer number (461013).

2^2809952 is an apocalyptic number.

It is an amenable number.

2809952 is a deficient number, since it is larger than the sum of its proper divisors (2722204).

2809952 is an equidigital number, since it uses as much as digits as its factorization.

2809952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87821 (or 87813 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2809952 is about 1676.2911441632. The cubic root of 2809952 is about 141.1127646121.

The spelling of 2809952 in words is "two million, eight hundred nine thousand, nine hundred fifty-two".