2144931 has 8 divisors (see below), whose sum is σ = 2867904. Its totient is φ = 1425960.

The previous prime is 2144899. The next prime is 2144951. The reversal of 2144931 is 1394412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144931 - 2⁵ = 2144899 is a prime.

It is a super-2 number, since 2×2144931² = 9201457989522, which contains 22 as substring.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2144951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (358488).

2^2144931 is an apocalyptic number.

2144931 is a deficient number, since it is larger than the sum of its proper divisors (722973).

2144931 is a wasteful number, since it uses less digits than its factorization.

2144931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001.

The product of its digits is 864, while the sum is 24.

The square root of 2144931 is about 1464.5582951866. The cubic root of 2144931 is about 128.9647761530.

The spelling of 2144931 in words is "two million, one hundred forty-four thousand, nine hundred thirty-one".