3861790 has 16 divisors (see below), whose sum is σ = 7121520. Its totient is φ = 1506880.

The previous prime is 3861751. The next prime is 3861811. The reversal of 3861790 is 971683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (445095).

Almost surely, 2^3861790 is an apocalyptic number.

3861790 is a deficient number, since it is larger than the sum of its proper divisors (3259730).

3861790 is a wasteful number, since it uses less digits than its factorization.

3861790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9467.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3861790 is about 1965.1437606445. The cubic root of 3861790 is about 156.8903449485.

The spelling of 3861790 in words is "three million, eight hundred sixty-one thousand, seven hundred ninety".