3894687 has 6 divisors (see below), whose sum is σ = 5625672. Its totient is φ = 2596452.

The previous prime is 3894673. The next prime is 3894689. The reversal of 3894687 is 7864983.

It is a happy number.

It is not a de Polignac number, because 3894687 - 2⁸ = 3894431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894689) 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, 216363 + ... + 216380.

It is an arithmetic number, because the mean of its divisors is an integer number (937612).

Almost surely, 2^3894687 is an apocalyptic number.

3894687 is a deficient number, since it is larger than the sum of its proper divisors (1730985).

3894687 is a wasteful number, since it uses less digits than its factorization.

3894687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432749 (or 432746 counting only the distinct ones).

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

The square root of 3894687 is about 1973.4961363023. The cubic root of 3894687 is about 157.3345806702.

The spelling of 3894687 in words is "three million, eight hundred ninety-four thousand, six hundred eighty-seven".