3855706 has 4 divisors (see below), whose sum is σ = 5783562. Its totient is φ = 1927852.

The previous prime is 3855703. The next prime is 3855757. The reversal of 3855706 is 6075583.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 648025 = 1791^2 + 805^2 .

It is not an unprimeable number, because it can be changed into a prime (3855703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963925 + ... + 963928.

Almost surely, 2^3855706 is an apocalyptic number.

3855706 is a deficient number, since it is larger than the sum of its proper divisors (1927856).

3855706 is a wasteful number, since it uses less digits than its factorization.

3855706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927855.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3855706 is about 1963.5951721269. The cubic root of 3855706 is about 156.8079114518.

The spelling of 3855706 in words is "three million, eight hundred fifty-five thousand, seven hundred six".