2887970 has 16 divisors (see below), whose sum is σ = 5297400. Its totient is φ = 1133184.

The previous prime is 2887939. The next prime is 2887979. The reversal of 2887970 is 797882.

It can be written as a sum of positive squares in 4 ways, for example, as 2024929 + 863041 = 1423^2 + 929^2 .

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (2887979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195 + ... + 3254.

2^2887970 is an apocalyptic number.

2887970 is a deficient number, since it is larger than the sum of its proper divisors (2409430).

2887970 is a wasteful number, since it uses less digits than its factorization.

2887970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2887970 is about 1699.4028362928. The cubic root of 2887970 is about 142.4068540761.

The spelling of 2887970 in words is "two million, eight hundred eighty-seven thousand, nine hundred seventy".