3901984 has 12 divisors (see below), whose sum is σ = 7682094. Its totient is φ = 1950976.

The previous prime is 3901981. The next prime is 3901999. The reversal of 3901984 is 4891093.

It can be written as a sum of positive squares in only one way, i.e., 3763600 + 138384 = 1940^2 + 372^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60937 + ... + 61000.

Almost surely, 2^3901984 is an apocalyptic number.

It is an amenable number.

3901984 is a deficient number, since it is larger than the sum of its proper divisors (3780110).

3901984 is a wasteful number, since it uses less digits than its factorization.

3901984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121947 (or 121939 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 3901984 is about 1975.3440206708. The cubic root of 3901984 is about 157.4327789063.

The spelling of 3901984 in words is "three million, nine hundred one thousand, nine hundred eighty-four".