2987969 has 2 divisors, whose sum is σ = 2987970. Its totient is φ = 2987968.

The previous prime is 2987947. The next prime is 2987983. The reversal of 2987969 is 9697892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 97969 = 1700^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 2987969 - 2¹² = 2983873 is a prime.

It is a super-2 number, since 2×2987969² = 17855917489922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2987989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493984 + 1493985.

It is an arithmetic number, because the mean of its divisors is an integer number (1493985).

2^2987969 is an apocalyptic number.

It is an amenable number.

2987969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2987969 is an equidigital number, since it uses as much as digits as its factorization.

2987969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 2987969 is about 1728.5742680024. The cubic root of 2987969 is about 144.0319020111.

The spelling of 2987969 in words is "two million, nine hundred eighty-seven thousand, nine hundred sixty-nine".