2996991 has 24 divisors (see below), whose sum is σ = 4526496. Its totient is φ = 1909440.

The previous prime is 2996933. The next prime is 2997011. The reversal of 2996991 is 1996992.

It is a happy number.

It is not a de Polignac number, because 2996991 - 2⁹ = 2996479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2996291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29046 + ... + 29148.

It is an arithmetic number, because the mean of its divisors is an integer number (188604).

2^2996991 is an apocalyptic number.

2996991 is a deficient number, since it is larger than the sum of its proper divisors (1529505).

2996991 is a wasteful number, since it uses less digits than its factorization.

2996991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 220 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 2996991 is about 1731.1819661722. The cubic root of 2996991 is about 144.1767216898.

Subtracting from 2996991 its reverse (1996992), we obtain a palindrome (999999).

It can be divided in two parts, 29 and 96991, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 2996991 in words is "two million, nine hundred ninety-six thousand, nine hundred ninety-one".