6441490 has 32 divisors (see below), whose sum is σ = 13063680. Its totient is φ = 2265600.

The previous prime is 6441481. The next prime is 6441497. The reversal of 6441490 is 941446.

It is not an unprimeable number, because it can be changed into a prime (6441497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2466 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^6441490 is an apocalyptic number.

6441490 is an abundant number, since it is smaller than the sum of its proper divisors (6622190).

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

6441490 is a wasteful number, since it uses less digits than its factorization.

6441490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6441490 is about 2538.0090622376. The cubic root of 6441490 is about 186.0638968044.

It can be divided in two parts, 64 and 41490, that multiplied together give a triangular number (2655360 = T₂₃₀₄).

The spelling of 6441490 in words is "six million, four hundred forty-one thousand, four hundred ninety".