3894849 has 24 divisors (see below), whose sum is σ = 6482112. Its totient is φ = 2207520.

The previous prime is 3894833. The next prime is 3894857. The reversal of 3894849 is 9484983.

It is a happy number.

It is not a de Polignac number, because 3894849 - 2⁴ = 3894833 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3894859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13147 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (270088).

Almost surely, 2^3894849 is an apocalyptic number.

It is an amenable number.

3894849 is a deficient number, since it is larger than the sum of its proper divisors (2587263).

3894849 is a wasteful number, since it uses less digits than its factorization.

3894849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 514 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3894849 is about 1973.5371797866. The cubic root of 3894849 is about 157.3367620905.

The spelling of 3894849 in words is "three million, eight hundred ninety-four thousand, eight hundred forty-nine".