2097955 has 4 divisors (see below), whose sum is σ = 2517552. Its totient is φ = 1678360.

The previous prime is 2097941. The next prime is 2097959. The reversal of 2097955 is 5597902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5597902 = 2 ⋅2798951.

It is not a de Polignac number, because 2097955 - 2¹⁵ = 2065187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097959) 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, 209791 + ... + 209800.

It is an arithmetic number, because the mean of its divisors is an integer number (629388).

2^2097955 is an apocalyptic number.

2097955 is a deficient number, since it is larger than the sum of its proper divisors (419597).

2097955 is an equidigital number, since it uses as much as digits as its factorization.

2097955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419596.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 2097955 is about 1448.4319107228. The cubic root of 2097955 is about 128.0163349921.

The spelling of 2097955 in words is "two million, ninety-seven thousand, nine hundred fifty-five".