2973149 has 4 divisors (see below), whose sum is σ = 3042336. Its totient is φ = 2903964.

The previous prime is 2973121. The next prime is 2973151. The reversal of 2973149 is 9413792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2973149 is a prime.

It is a super-2 number, since 2×2973149² = 17679229952402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2973119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34529 + ... + 34614.

It is an arithmetic number, because the mean of its divisors is an integer number (760584).

2^2973149 is an apocalyptic number.

It is an amenable number.

2973149 is a deficient number, since it is larger than the sum of its proper divisors (69187).

2973149 is an equidigital number, since it uses as much as digits as its factorization.

2973149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69186.

The product of its digits is 13608, while the sum is 35.

The square root of 2973149 is about 1724.2821694839. The cubic root of 2973149 is about 143.7933797245.

The spelling of 2973149 in words is "two million, nine hundred seventy-three thousand, one hundred forty-nine".