3040650 has 72 divisors (see below), whose sum is σ = 8487180. Its totient is φ = 779520.

The previous prime is 3040649. The next prime is 3040657. The reversal of 3040650 is 560403.

It is a happy number.

3040650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 690561 + 2350089 = 831^2 + 1533^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3040657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12934 + ... + 13166.

Almost surely, 2^3040650 is an apocalyptic number.

3040650 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 3040650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4243590).

3040650 is an abundant number, since it is smaller than the sum of its proper divisors (5446530).

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

3040650 is a wasteful number, since it uses less digits than its factorization.

3040650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3040650 is about 1743.7459677373. The cubic root of 3040650 is about 144.8734528078.

The spelling of 3040650 in words is "three million, forty thousand, six hundred fifty".