2261672 has 16 divisors (see below), whose sum is σ = 4846560. Its totient is φ = 969264.

The previous prime is 2261653. The next prime is 2261689. The reversal of 2261672 is 2761622.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20138 + ... + 20249.

It is an arithmetic number, because the mean of its divisors is an integer number (302910).

2^2261672 is an apocalyptic number.

It is an amenable number.

2261672 is an abundant number, since it is smaller than the sum of its proper divisors (2584888).

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

2261672 is a wasteful number, since it uses less digits than its factorization.

2261672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400 (or 40396 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 2261672 is about 1503.8856339496. The cubic root of 2261672 is about 131.2632663839.

The spelling of 2261672 in words is "two million, two hundred sixty-one thousand, six hundred seventy-two".