3855970 has 8 divisors (see below), whose sum is σ = 6940764. Its totient is φ = 1542384.

The previous prime is 3855967. The next prime is 3855977. The reversal of 3855970 is 795583.

It can be written as a sum of positive squares in 2 ways, for example, as 3853369 + 2601 = 1963^2 + 51^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3855977) 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, 192789 + ... + 192808.

Almost surely, 2^3855970 is an apocalyptic number.

3855970 is a deficient number, since it is larger than the sum of its proper divisors (3084794).

3855970 is a wasteful number, since it uses less digits than its factorization.

3855970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385604.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 3855970 is about 1963.6623946086. The cubic root of 3855970 is about 156.8114902468.

The spelling of 3855970 in words is "three million, eight hundred fifty-five thousand, nine hundred seventy".