3857862 has 8 divisors (see below), whose sum is σ = 7715736. Its totient is φ = 1285952.

The previous prime is 3857839. The next prime is 3857863. The reversal of 3857862 is 2687583.

It is a sphenic number, since it is the product of 3 distinct primes.

3857862 is an admirable number.

It is a super-2 number, since 2×3857862² = 29766198422088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3857862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321483 + ... + 321494.

It is an arithmetic number, because the mean of its divisors is an integer number (964467).

Almost surely, 2^3857862 is an apocalyptic number.

3857862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3857862 is a wasteful number, since it uses less digits than its factorization.

3857862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642982.

The product of its digits is 80640, while the sum is 39.

The square root of 3857862 is about 1964.1440884008. The cubic root of 3857862 is about 156.8371334985.

The spelling of 3857862 in words is "three million, eight hundred fifty-seven thousand, eight hundred sixty-two".