2261404 has 12 divisors (see below), whose sum is σ = 4032504. Its totient is φ = 1109264.

The previous prime is 2261393. The next prime is 2261407. The reversal of 2261404 is 4041622.

It is a super-2 number, since 2×2261404² = 10227896102432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261407) 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, 5122 + ... + 5545.

It is an arithmetic number, because the mean of its divisors is an integer number (336042).

2^2261404 is an apocalyptic number.

It is an amenable number.

2261404 is a deficient number, since it is larger than the sum of its proper divisors (1771100).

2261404 is a wasteful number, since it uses less digits than its factorization.

2261404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724 (or 10722 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2261404 is about 1503.7965287897. The cubic root of 2261404 is about 131.2580814374.

The spelling of 2261404 in words is "two million, two hundred sixty-one thousand, four hundred four".