2261924 has 12 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 969384.

The previous prime is 2261911. The next prime is 2261927. The reversal of 2261924 is 4291622.

2261924 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2261893 and 2261902.

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 in 3 ways as a sum of consecutive naturals, for example, 40364 + ... + 40419.

It is an arithmetic number, because the mean of its divisors is an integer number (376992).

2^2261924 is an apocalyptic number.

It is an amenable number.

2261924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261924 is a wasteful number, since it uses less digits than its factorization.

2261924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80794 (or 80792 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 2261924 is about 1503.9694145826. The cubic root of 2261924 is about 131.2681414077.

The spelling of 2261924 in words is "two million, two hundred sixty-one thousand, nine hundred twenty-four".