2289146 has 4 divisors (see below), whose sum is σ = 3433722. Its totient is φ = 1144572.

The previous prime is 2289143. The next prime is 2289149. The reversal of 2289146 is 6419822.

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

It is an interprime number because it is at equal distance from previous prime (2289143) and next prime (2289149).

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 978121 = 1145^2 + 989^2 .

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 8³ + 9⁵ + 1 + 4³ + 6⁴ .

It is not an unprimeable number, because it can be changed into a prime (2289143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572285 + ... + 572288.

2^2289146 is an apocalyptic number.

2289146 is a deficient number, since it is larger than the sum of its proper divisors (1144576).

2289146 is a wasteful number, since it uses less digits than its factorization.

2289146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144575.

The product of its digits is 6912, while the sum is 32.

The square root of 2289146 is about 1512.9923991878. The cubic root of 2289146 is about 131.7926419874.

The spelling of 2289146 in words is "two million, two hundred eighty-nine thousand, one hundred forty-six".