2097146 has 4 divisors (see below), whose sum is σ = 3145722. Its totient is φ = 1048572.

The previous prime is 2097143. The next prime is 2097169. The reversal of 2097146 is 6417902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 261121 = 1355^2 + 511^2 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2097143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524285 + ... + 524288.

2^2097146 is an apocalyptic number.

2097146 is a deficient number, since it is larger than the sum of its proper divisors (1048576).

2097146 is a wasteful number, since it uses less digits than its factorization.

2097146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048575.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2097146 is about 1448.1526162667. The cubic root of 2097146 is about 127.9998779296. Note that the first 3 decimals are identical.

The spelling of 2097146 in words is "two million, ninety-seven thousand, one hundred forty-six".