3009720 has 64 divisors (see below), whose sum is σ = 10321920. Its totient is φ = 687744.

The previous prime is 3009719. The next prime is 3009749. The reversal of 3009720 is 279003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

Almost surely, 2^3009720 is an apocalyptic number.

3009720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3009720 is an abundant number, since it is smaller than the sum of its proper divisors (7312200).

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

3009720 is a wasteful number, since it uses less digits than its factorization.

3009720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 3009720 is about 1734.8544607546. The cubic root of 3009720 is about 144.3805520625.

The spelling of 3009720 in words is "three million, nine thousand, seven hundred twenty".