3894045 has 8 divisors (see below), whose sum is σ = 6230496. Its totient is φ = 2076816.

The previous prime is 3894043. The next prime is 3894047. The reversal of 3894045 is 5404983.

It is an interprime number because it is at equal distance from previous prime (3894043) and next prime (3894047).

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

It is not a de Polignac number, because 3894045 - 2¹ = 3894043 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3893997 and 3894015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129787 + ... + 129816.

It is an arithmetic number, because the mean of its divisors is an integer number (778812).

Almost surely, 2^3894045 is an apocalyptic number.

It is an amenable number.

3894045 is a deficient number, since it is larger than the sum of its proper divisors (2336451).

3894045 is a wasteful number, since it uses less digits than its factorization.

3894045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259611.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3894045 is about 1973.3334740991. Note that the first 3 decimals coincide. The cubic root of 3894045 is about 157.3259351871.

The spelling of 3894045 in words is "three million, eight hundred ninety-four thousand, forty-five".