3078636 has 48 divisors (see below), whose sum is σ = 7959168. Its totient is φ = 918400.

The previous prime is 3078623. The next prime is 3078637. The reversal of 3078636 is 6368703.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 3078597 and 3078606.

It is not an unprimeable number, because it can be changed into a prime (3078637) 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, 10816 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (165816).

Almost surely, 2^3078636 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 3078636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3979584).

3078636 is an abundant number, since it is smaller than the sum of its proper divisors (4880532).

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

3078636 is a wasteful number, since it uses less digits than its factorization.

3078636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3078636 is about 1754.6042288790. The cubic root of 3078636 is about 145.4742458638.

The spelling of 3078636 in words is "three million, seventy-eight thousand, six hundred thirty-six".