6121444 has 12 divisors (see below), whose sum is σ = 12242944. Its totient is φ = 2623464.

The previous prime is 6121441. The next prime is 6121457. The reversal of 6121444 is 4441216.

6121444 = T₃₃₉ + T₃₄₀ + ... + T₄₂₂.

6121444 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6121441) 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, 109284 + ... + 109339.

Almost surely, 2^6121444 is an apocalyptic number.

It is an amenable number.

6121444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6121444 is a wasteful number, since it uses less digits than its factorization.

6121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218634 (or 218632 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 6121444 is about 2474.1552093593. The cubic root of 6121444 is about 182.9298705076.

Subtracting from 6121444 its product of digits (768), we obtain a square (6120676 = 2474²).

The spelling of 6121444 in words is "six million, one hundred twenty-one thousand, four hundred forty-four".