3845890 has 8 divisors (see below), whose sum is σ = 6922620. Its totient is φ = 1538352.

The previous prime is 3845887. The next prime is 3845903. The reversal of 3845890 is 985483.

3845890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3101121 + 744769 = 1761^2 + 863^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192285 + ... + 192304.

Almost surely, 2^3845890 is an apocalyptic number.

3845890 is a deficient number, since it is larger than the sum of its proper divisors (3076730).

3845890 is a wasteful number, since it uses less digits than its factorization.

3845890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384596.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 3845890 is about 1961.0940823938. The cubic root of 3845890 is about 156.6747292264.

The spelling of 3845890 in words is "three million, eight hundred forty-five thousand, eight hundred ninety".