2167401 has 4 divisors (see below), whose sum is σ = 2889872. Its totient is φ = 1444932.

The previous prime is 2167393. The next prime is 2167409. The reversal of 2167401 is 1047612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2167393) and next prime (2167409).

It is not a de Polignac number, because 2167401 - 2³ = 2167393 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

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, 361231 + ... + 361236.

It is an arithmetic number, because the mean of its divisors is an integer number (722468).

2^2167401 is an apocalyptic number.

It is an amenable number.

2167401 is a deficient number, since it is larger than the sum of its proper divisors (722471).

2167401 is an equidigital number, since it uses as much as digits as its factorization.

2167401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722470.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2167401 is about 1472.2095638869. The cubic root of 2167401 is about 129.4135517214.

The spelling of 2167401 in words is "two million, one hundred sixty-seven thousand, four hundred one".