2853997 has 4 divisors (see below), whose sum is σ = 2907900. Its totient is φ = 2800096.

The previous prime is 2853989. The next prime is 2854003. The reversal of 2853997 is 7993582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7993582 = 2 ⋅3996791.

It can be written as a sum of positive squares in 2 ways, for example, as 2604996 + 249001 = 1614^2 + 499^2 .

It is not a de Polignac number, because 2853997 - 2³ = 2853989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2853937) 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, 26872 + ... + 26977.

It is an arithmetic number, because the mean of its divisors is an integer number (726975).

2^2853997 is an apocalyptic number.

It is an amenable number.

2853997 is a deficient number, since it is larger than the sum of its proper divisors (53903).

2853997 is an equidigital number, since it uses as much as digits as its factorization.

2853997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53902.

The product of its digits is 136080, while the sum is 43.

The square root of 2853997 is about 1689.3776960763. The cubic root of 2853997 is about 141.8462430153.

The spelling of 2853997 in words is "two million, eight hundred fifty-three thousand, nine hundred ninety-seven".