3984963 has 8 divisors (see below), whose sum is σ = 5322576. Its totient is φ = 2652000.

The previous prime is 3984949. The next prime is 3984971. The reversal of 3984963 is 3694893.

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

It is not a de Polignac number, because 3984963 - 2¹⁸ = 3722819 is a prime.

It is a super-2 number, since 2×3984963² = 31759860222738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3984943) 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, 2413 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (665322).

Almost surely, 2^3984963 is an apocalyptic number.

3984963 is a deficient number, since it is larger than the sum of its proper divisors (1337613).

3984963 is a wasteful number, since it uses less digits than its factorization.

3984963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325.

The product of its digits is 139968, while the sum is 42.

The square root of 3984963 is about 1996.2372103535. The cubic root of 3984963 is about 158.5409408382.

The spelling of 3984963 in words is "three million, nine hundred eighty-four thousand, nine hundred sixty-three".