2261964 has 24 divisors (see below), whose sum is σ = 5307120. Its totient is φ = 749824.

The previous prime is 2261933. The next prime is 2261993. The reversal of 2261964 is 4691622.

It is a super-2 number, since 2×2261964² = 10232962274592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

2^2261964 is an apocalyptic number.

It is an amenable number.

2261964 is an abundant number, since it is smaller than the sum of its proper divisors (3045156).

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

2261964 is a wasteful number, since it uses less digits than its factorization.

2261964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 2261964 is about 1503.9827126666. The cubic root of 2261964 is about 131.2689151877.

The spelling of 2261964 in words is "two million, two hundred sixty-one thousand, nine hundred sixty-four".