2167404 has 12 divisors (see below), whose sum is σ = 5057304. Its totient is φ = 722464.

The previous prime is 2167393. The next prime is 2167409. The reversal of 2167404 is 4047612.

2167404 = 517² + 518² + ... + 524².

2167404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2167409) 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, 90297 + ... + 90320.

It is an arithmetic number, because the mean of its divisors is an integer number (421442).

2^2167404 is an apocalyptic number.

It is an amenable number.

2167404 is an abundant number, since it is smaller than the sum of its proper divisors (2889900).

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

2167404 is a wasteful number, since it uses less digits than its factorization.

2167404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180624 (or 180622 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2167404 is about 1472.2105827632. The cubic root of 2167404 is about 129.4136114305.

The spelling of 2167404 in words is "two million, one hundred sixty-seven thousand, four hundred four".