2946987 has 6 divisors (see below), whose sum is σ = 4256772. Its totient is φ = 1964652.

The previous prime is 2946973. The next prime is 2947027. The reversal of 2946987 is 7896492.

It is a happy number.

It is not a de Polignac number, because 2946987 - 2⁷ = 2946859 is a prime.

2946987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2946907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163713 + ... + 163730.

It is an arithmetic number, because the mean of its divisors is an integer number (709462).

2^2946987 is an apocalyptic number.

2946987 is a deficient number, since it is larger than the sum of its proper divisors (1309785).

2946987 is a wasteful number, since it uses less digits than its factorization.

2946987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327449 (or 327446 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2946987 is about 1716.6790614439. The cubic root of 2946987 is about 143.3703702138.

The spelling of 2946987 in words is "two million, nine hundred forty-six thousand, nine hundred eighty-seven".