3780630 has 96 divisors (see below), whose sum is σ = 11928384. Its totient is φ = 811008.

The previous prime is 3780619. The next prime is 3780653. The reversal of 3780630 is 360873.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3780594 and 3780603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10534 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (124254).

Almost surely, 2^3780630 is an apocalyptic number.

3780630 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 3780630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5964192).

3780630 is an abundant number, since it is smaller than the sum of its proper divisors (8147754).

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

3780630 is a wasteful number, since it uses less digits than its factorization.

3780630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

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

The square root of 3780630 is about 1944.3842212896. The cubic root of 3780630 is about 155.7834767316.

The spelling of 3780630 in words is "three million, seven hundred eighty thousand, six hundred thirty".