3040830 has 96 divisors (see below), whose sum is σ = 8963136. Its totient is φ = 709632.

The previous prime is 3040823. The next prime is 3040861. The reversal of 3040830 is 380403.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 47 ways as a sum of consecutive naturals, for example, 26854 + ... + 26966.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

Almost surely, 2^3040830 is an apocalyptic number.

3040830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3040830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481568).

3040830 is an abundant number, since it is smaller than the sum of its proper divisors (5922306).

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

3040830 is a wasteful number, since it uses less digits than its factorization.

3040830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3040830 is about 1743.7975799960. The cubic root of 3040830 is about 144.8763114846.

The spelling of 3040830 in words is "three million, forty thousand, eight hundred thirty".