3857380 has 24 divisors (see below), whose sum is σ = 8527680. Its totient is φ = 1461600.

The previous prime is 3857369. The next prime is 3857383. The reversal of 3857380 is 837583.

It is not an unprimeable number, because it can be changed into a prime (3857383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4696 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (355320).

Almost surely, 2^3857380 is an apocalyptic number.

It is an amenable number.

3857380 is an abundant number, since it is smaller than the sum of its proper divisors (4670300).

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

3857380 is a wasteful number, since it uses less digits than its factorization.

3857380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179 (or 10177 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3857380 is about 1964.0213848123. The cubic root of 3857380 is about 156.8306014999.

The spelling of 3857380 in words is "three million, eight hundred fifty-seven thousand, three hundred eighty".