6601420 has 48 divisors (see below), whose sum is σ = 16123968. Its totient is φ = 2223360.

The previous prime is 6601411. The next prime is 6601433. The reversal of 6601420 is 241066.

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, 8154 + ... + 8926.

It is an arithmetic number, because the mean of its divisors is an integer number (335916).

Almost surely, 2^6601420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6601420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8061984).

6601420 is an abundant number, since it is smaller than the sum of its proper divisors (9522548).

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

6601420 is a wasteful number, since it uses less digits than its factorization.

6601420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 6601420 is about 2569.3228679946. The cubic root of 6601420 is about 187.5911971174.

Adding to 6601420 its reverse (241066), we get a palindrome (6842486).

It can be divided in two parts, 6601 and 420, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6601420 in words is "six million, six hundred one thousand, four hundred twenty".