2149446 has 32 divisors (see below), whose sum is σ = 4904928. Its totient is φ = 622080.

The previous prime is 2149421. The next prime is 2149453. The reversal of 2149446 is 6449412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (153279).

2^2149446 is an apocalyptic number.

2149446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2452464).

2149446 is an abundant number, since it is smaller than the sum of its proper divisors (2755482).

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

2149446 is a wasteful number, since it uses less digits than its factorization.

2149446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its digits is 6912, while the sum is 30.

The square root of 2149446 is about 1466.0989052584. The cubic root of 2149446 is about 129.0552014215.

It can be divided in two parts, 2 and 149446, that multiplied together give a palindrome (298892).

The spelling of 2149446 in words is "two million, one hundred forty-nine thousand, four hundred forty-six".