2969987 has 2 divisors, whose sum is σ = 2969988. Its totient is φ = 2969986.

The previous prime is 2969983. The next prime is 2970031. The reversal of 2969987 is 7899692.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2969987 - 2² = 2969983 is a prime.

It is not a weakly prime, because it can be changed into another prime (2969983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1484993 + 1484994.

It is an arithmetic number, because the mean of its divisors is an integer number (1484994).

2^2969987 is an apocalyptic number.

2969987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2969987 is an equidigital number, since it uses as much as digits as its factorization.

2969987 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 2969987 is about 1723.3650222747. The cubic root of 2969987 is about 143.7423859861.

The spelling of 2969987 in words is "two million, nine hundred sixty-nine thousand, nine hundred eighty-seven".