3894678 has 12 divisors (see below), whose sum is σ = 8438508. Its totient is φ = 1298220.

The previous prime is 3894673. The next prime is 3894689. The reversal of 3894678 is 8764983.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108168 + ... + 108203.

It is an arithmetic number, because the mean of its divisors is an integer number (703209).

Almost surely, 2^3894678 is an apocalyptic number.

3894678 is an abundant number, since it is smaller than the sum of its proper divisors (4543830).

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

3894678 is a wasteful number, since it uses less digits than its factorization.

3894678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216379 (or 216376 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3894678 is about 1973.4938560837. The cubic root of 3894678 is about 157.3344594784.

The spelling of 3894678 in words is "three million, eight hundred ninety-four thousand, six hundred seventy-eight".