3858345 has 24 divisors (see below), whose sum is σ = 6739200. Its totient is φ = 2042016.

The previous prime is 3858317. The next prime is 3858367. The reversal of 3858345 is 5438583.

3858345 is a `hidden beast` number, since 38 + 583 + 45 = 666.

It is not a de Polignac number, because 3858345 - 2¹³ = 3850153 is a prime.

It is a super-2 number, since 2×3858345² = 29773652278050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7816 + ... + 8294.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

Almost surely, 2^3858345 is an apocalyptic number.

It is an amenable number.

3858345 is a deficient number, since it is larger than the sum of its proper divisors (2880855).

3858345 is a wasteful number, since it uses less digits than its factorization.

3858345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 666 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 3858345 is about 1964.2670388723. The cubic root of 3858345 is about 156.8436785031.

The spelling of 3858345 in words is "three million, eight hundred fifty-eight thousand, three hundred forty-five".