3858872 has 8 divisors (see below), whose sum is σ = 7235400. Its totient is φ = 1929432.

The previous prime is 3858859. The next prime is 3858889. The reversal of 3858872 is 2788583.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3858872² = 29781786224768, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241172 + ... + 241187.

It is an arithmetic number, because the mean of its divisors is an integer number (904425).

Almost surely, 2^3858872 is an apocalyptic number.

It is an amenable number.

3858872 is a deficient number, since it is larger than the sum of its proper divisors (3376528).

3858872 is a wasteful number, since it uses less digits than its factorization.

3858872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482365 (or 482361 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 3858872 is about 1964.4011810218. The cubic root of 3858872 is about 156.8508191170.

The spelling of 3858872 in words is "three million, eight hundred fifty-eight thousand, eight hundred seventy-two".