3053820 has 96 divisors (see below), whose sum is σ = 10676736. Its totient is φ = 633600.

The previous prime is 3053801. The next prime is 3053821. The reversal of 3053820 is 283503.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3053821) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4290 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (111216).

Almost surely, 2^3053820 is an apocalyptic number.

3053820 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 3053820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5338368).

3053820 is an abundant number, since it is smaller than the sum of its proper divisors (7622916).

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

3053820 is a wasteful number, since it uses less digits than its factorization.

3053820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3053820 is about 1747.5182402482. The cubic root of 3053820 is about 145.0823155283.

The spelling of 3053820 in words is "three million, fifty-three thousand, eight hundred twenty".