2781952 has 18 divisors (see below), whose sum is σ = 5553548. Its totient is φ = 1390848.

The previous prime is 2781949. The next prime is 2781959. The reversal of 2781952 is 2591872.

It is not an unprimeable number, because it can be changed into a prime (2781959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5178 + ... + 5689.

2^2781952 is an apocalyptic number.

It is an amenable number.

2781952 is a deficient number, since it is larger than the sum of its proper divisors (2771596).

2781952 is an equidigital number, since it uses as much as digits as its factorization.

2781952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10883 (or 10869 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 2781952 is about 1667.9184632349. The cubic root of 2781952 is about 140.6424891499.

The spelling of 2781952 in words is "two million, seven hundred eighty-one thousand, nine hundred fifty-two".