6489420 has 48 divisors (see below), whose sum is σ = 20767488. Its totient is φ = 1483200.

The previous prime is 6489409. The next prime is 6489421. The reversal of 6489420 is 249846.

It is a super-2 number, since 2×6489420² = 84225143872800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6489421) 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, 7306 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (432656).

Almost surely, 2^6489420 is an apocalyptic number.

6489420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6489420 is an abundant number, since it is smaller than the sum of its proper divisors (14278068).

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

6489420 is a wasteful number, since it uses less digits than its factorization.

6489420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15470 (or 15468 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6489420 is about 2547.4340030705. The cubic root of 6489420 is about 186.5242465248.

The spelling of 6489420 in words is "six million, four hundred eighty-nine thousand, four hundred twenty".