3858620 has 12 divisors (see below), whose sum is σ = 8103144. Its totient is φ = 1543440.

The previous prime is 3858607. The next prime is 3858629. The reversal of 3858620 is 268583.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3858629) 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, 96446 + ... + 96485.

It is an arithmetic number, because the mean of its divisors is an integer number (675262).

Almost surely, 2^3858620 is an apocalyptic number.

It is an amenable number.

3858620 is an abundant number, since it is smaller than the sum of its proper divisors (4244524).

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

3858620 is a wasteful number, since it uses less digits than its factorization.

3858620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192940 (or 192938 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3858620 is about 1964.3370382905. The cubic root of 3858620 is about 156.8474047110.

The spelling of 3858620 in words is "three million, eight hundred fifty-eight thousand, six hundred twenty".