2881401 has 4 divisors (see below), whose sum is σ = 3841872. Its totient is φ = 1920932.

The previous prime is 2881399. The next prime is 2881409. The reversal of 2881401 is 1041882.

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 a cyclic number.

It is not a de Polignac number, because 2881401 - 2¹ = 2881399 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2881409) 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, 480231 + ... + 480236.

It is an arithmetic number, because the mean of its divisors is an integer number (960468).

2^2881401 is an apocalyptic number.

It is an amenable number.

2881401 is a deficient number, since it is larger than the sum of its proper divisors (960471).

2881401 is an equidigital number, since it uses as much as digits as its factorization.

2881401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960470.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2881401 is about 1697.4689982442. The cubic root of 2881401 is about 142.2987988449.

The spelling of 2881401 in words is "two million, eight hundred eighty-one thousand, four hundred one".