3036440 has 64 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 1077120.

The previous prime is 3036433. The next prime is 3036461. The reversal of 3036440 is 446303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29429 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (119340).

Almost surely, 2^3036440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3036440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3818880).

3036440 is an abundant number, since it is smaller than the sum of its proper divisors (4601320).

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

3036440 is a wasteful number, since it uses less digits than its factorization.

3036440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3036440 is about 1742.5383783435. The cubic root of 3036440 is about 144.8065593317.

The spelling of 3036440 in words is "three million, thirty-six thousand, four hundred forty".