3049920 has 112 divisors (see below), whose sum is σ = 10789920. Its totient is φ = 811008.

The previous prime is 3049909. The next prime is 3049927. The reversal of 3049920 is 299403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3049927) 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, 8464 + ... + 8816.

Almost surely, 2^3049920 is an apocalyptic number.

3049920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3049920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5394960).

3049920 is an abundant number, since it is smaller than the sum of its proper divisors (7740000).

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

3049920 is a wasteful number, since it uses less digits than its factorization.

3049920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3049920 is about 1746.4020155737. The cubic root of 3049920 is about 145.0205282074.

It can be divided in two parts, 3049 and 920, that added together give a square (3969 = 63²).

The spelling of 3049920 in words is "three million, forty-nine thousand, nine hundred twenty".