3857086 has 4 divisors (see below), whose sum is σ = 5785632. Its totient is φ = 1928542.

The previous prime is 3857081. The next prime is 3857107. The reversal of 3857086 is 6807583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6807583 = 269 ⋅25307.

It is a super-2 number, since 2×3857086² = 29754224822792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964270 + ... + 964273.

It is an arithmetic number, because the mean of its divisors is an integer number (1446408).

Almost surely, 2^3857086 is an apocalyptic number.

3857086 is a deficient number, since it is larger than the sum of its proper divisors (1928546).

3857086 is a wasteful number, since it uses less digits than its factorization.

3857086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928545.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 3857086 is about 1963.9465369505. The cubic root of 3857086 is about 156.8266169847.

The spelling of 3857086 in words is "three million, eight hundred fifty-seven thousand, eighty-six".