3807020 has 48 divisors (see below), whose sum is σ = 9289728. Its totient is φ = 1283520.

The previous prime is 3806981. The next prime is 3807053. The reversal of 3807020 is 207083.

3807020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3806983 and 3807001.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9749 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (193536).

Almost surely, 2^3807020 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 3807020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4644864).

3807020 is an abundant number, since it is smaller than the sum of its proper divisors (5482708).

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

3807020 is a wasteful number, since it uses less digits than its factorization.

3807020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 3807020 is about 1951.1586301477. The cubic root of 3807020 is about 156.1451093360.

The spelling of 3807020 in words is "three million, eight hundred seven thousand, twenty".