2991419 has 4 divisors (see below), whose sum is σ = 3013080. Its totient is φ = 2969760.

The previous prime is 2991397. The next prime is 2991421. The reversal of 2991419 is 9141992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2991419 is a prime.

It is a super-2 number, since 2×2991419² = 17897175267122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2991619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10622 + ... + 10899.

It is an arithmetic number, because the mean of its divisors is an integer number (753270).

2^2991419 is an apocalyptic number.

2991419 is a deficient number, since it is larger than the sum of its proper divisors (21661).

2991419 is a wasteful number, since it uses less digits than its factorization.

2991419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21660.

The product of its digits is 5832, while the sum is 35.

The square root of 2991419 is about 1729.5719123529. The cubic root of 2991419 is about 144.0873152294.

The spelling of 2991419 in words is "two million, nine hundred ninety-one thousand, four hundred nineteen".