2289926 has 16 divisors (see below), whose sum is σ = 3642624. Its totient is φ = 1077384.

The previous prime is 2289923. The next prime is 2289929. The reversal of 2289926 is 6299822.

It is an interprime number because it is at equal distance from previous prime (2289923) and next prime (2289929).

It is a super-2 number, since 2×2289926² = 10487522170952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2289926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711 + ... + 3453.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

2^2289926 is an apocalyptic number.

2289926 is a deficient number, since it is larger than the sum of its proper divisors (1352698).

2289926 is a wasteful number, since it uses less digits than its factorization.

2289926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its digits is 31104, while the sum is 38.

The square root of 2289926 is about 1513.2501445564. The cubic root of 2289926 is about 131.8076092266.

It can be divided in two parts, 228 and 9926, that multiplied together give a triangular number (2263128 = T₂₁₂₇).

The spelling of 2289926 in words is "two million, two hundred eighty-nine thousand, nine hundred twenty-six".