2261926 has 4 divisors (see below), whose sum is σ = 3392892. Its totient is φ = 1130962.

The previous prime is 2261911. The next prime is 2261927. The reversal of 2261926 is 6291622.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2261894 and 2261903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565480 + ... + 565483.

It is an arithmetic number, because the mean of its divisors is an integer number (848223).

2^2261926 is an apocalyptic number.

2261926 is a deficient number, since it is larger than the sum of its proper divisors (1130966).

2261926 is a wasteful number, since it uses less digits than its factorization.

2261926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130965.

The product of its digits is 2592, while the sum is 28.

The square root of 2261926 is about 1503.9700794896. The cubic root of 2261926 is about 131.2681800969.

The spelling of 2261926 in words is "two million, two hundred sixty-one thousand, nine hundred twenty-six".