3983478 has 16 divisors (see below), whose sum is σ = 8161776. Its totient is φ = 1295360.

The previous prime is 3983471. The next prime is 3983479. The reversal of 3983478 is 8743893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3983471) 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, 7851 + ... + 8342.

It is an arithmetic number, because the mean of its divisors is an integer number (510111).

Almost surely, 2^3983478 is an apocalyptic number.

3983478 is an abundant number, since it is smaller than the sum of its proper divisors (4178298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3983478 is a wasteful number, since it uses less digits than its factorization.

3983478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239.

The product of its digits is 145152, while the sum is 42.

The square root of 3983478 is about 1995.8652259108. The cubic root of 3983478 is about 158.5212449174.

The spelling of 3983478 in words is "three million, nine hundred eighty-three thousand, four hundred seventy-eight".