3898984 has 16 divisors (see below), whose sum is σ = 7740900. Its totient is φ = 1834752.

The previous prime is 3898981. The next prime is 3898991. The reversal of 3898984 is 4898983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 372100 = 1878^2 + 610^2 .

It is not an unprimeable number, because it can be changed into a prime (3898981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14199 + ... + 14470.

Almost surely, 2^3898984 is an apocalyptic number.

3898984 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3898984 is a deficient number, since it is larger than the sum of its proper divisors (3841916).

3898984 is a wasteful number, since it uses less digits than its factorization.

3898984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28692 (or 28688 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 3898984 is about 1974.5845132584. The cubic root of 3898984 is about 157.3924217077.

Subtracting 3898984 from its reverse (4898983), we obtain a palindrome (999999).

The spelling of 3898984 in words is "three million, eight hundred ninety-eight thousand, nine hundred eighty-four".