2991477 has 8 divisors (see below), whose sum is σ = 4056480. Its totient is φ = 1960400.

The previous prime is 2991463. The next prime is 2991481. The reversal of 2991477 is 7741992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2991477 - 2¹¹ = 2989429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991497) 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 7 ways as a sum of consecutive naturals, for example, 8274 + ... + 8627.

It is an arithmetic number, because the mean of its divisors is an integer number (507060).

2^2991477 is an apocalyptic number.

It is an amenable number.

2991477 is a deficient number, since it is larger than the sum of its proper divisors (1065003).

2991477 is a wasteful number, since it uses less digits than its factorization.

2991477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963.

The product of its digits is 31752, while the sum is 39.

The square root of 2991477 is about 1729.5886794264. The cubic root of 2991477 is about 144.0882464497.

The spelling of 2991477 in words is "two million, nine hundred ninety-one thousand, four hundred seventy-seven".