3078630 has 48 divisors (see below), whose sum is σ = 8124480. Its totient is φ = 808704.

The previous prime is 3078623. The next prime is 3078637. The reversal of 3078630 is 368703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3078623) and next prime (3078637).

It is a junction number, because it is equal to n+sod(n) for n = 3078594 and 3078603.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6894 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

Almost surely, 2^3078630 is an apocalyptic number.

3078630 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 3078630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4062240).

3078630 is an abundant number, since it is smaller than the sum of its proper divisors (5045850).

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

3078630 is a wasteful number, since it uses less digits than its factorization.

3078630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3078630 is about 1754.6025190909. The cubic root of 3078630 is about 145.4741513581.

The spelling of 3078630 in words is "three million, seventy-eight thousand, six hundred thirty".