2873997 has 36 divisors (see below), whose sum is σ = 5098080. Its totient is φ = 1555848.

The previous prime is 2873989. The next prime is 2873999. The reversal of 2873997 is 7993782.

It is not a de Polignac number, because 2873997 - 2³ = 2873989 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 8⁷ + 7⁵ + 3 + 9⁵ + 9⁵ + 7⁶ .

2873997 is a lucky number.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873999) 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 35 ways as a sum of consecutive naturals, for example, 151254 + ... + 151272.

2^2873997 is an apocalyptic number.

It is an amenable number.

2873997 is a deficient number, since it is larger than the sum of its proper divisors (2224083).

2873997 is an frugal number, since it uses more digits than its factorization.

2873997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 29 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2873997 is about 1695.2867014166. The cubic root of 2873997 is about 142.1768114253.

The spelling of 2873997 in words is "two million, eight hundred seventy-three thousand, nine hundred ninety-seven".