3984897 has 8 divisors (see below), whose sum is σ = 6072256. Its totient is φ = 2277072.

The previous prime is 3984859. The next prime is 3984917. The reversal of 3984897 is 7984893.

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

It is not a de Polignac number, because 3984897 - 2⁷ = 3984769 is a prime.

It is a super-3 number, since 3×3984897³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

3984897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3983897) 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, 94858 + ... + 94899.

It is an arithmetic number, because the mean of its divisors is an integer number (759032).

Almost surely, 2^3984897 is an apocalyptic number.

It is an amenable number.

3984897 is a deficient number, since it is larger than the sum of its proper divisors (2087359).

3984897 is a wasteful number, since it uses less digits than its factorization.

3984897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189767.

The product of its digits is 435456, while the sum is 48.

The square root of 3984897 is about 1996.2206791835. The cubic root of 3984897 is about 158.5400655679.

The spelling of 3984897 in words is "three million, nine hundred eighty-four thousand, eight hundred ninety-seven".