3983697 has 6 divisors (see below), whose sum is σ = 5754242. Its totient is φ = 2655792.

The previous prime is 3983689. The next prime is 3983699. The reversal of 3983697 is 7963893.

It is a happy number.

3983697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3651921 + 331776 = 1911^2 + 576^2 .

It is not a de Polignac number, because 3983697 - 2³ = 3983689 is a prime.

It is a d-powerful number, because it can be written as 3 + 9² + 8⁷ + 3¹² + 6² + 9⁶ + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3983699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221308 + ... + 221325.

Almost surely, 2^3983697 is an apocalyptic number.

It is an amenable number.

3983697 is a deficient number, since it is larger than the sum of its proper divisors (1770545).

3983697 is a wasteful number, since it uses less digits than its factorization.

3983697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442639 (or 442636 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3983697 is about 1995.9200885807. The cubic root of 3983697 is about 158.5241498760.

It can be divided in two parts, 398 and 3697, that added together give a triangular number (4095 = T₉₀).

The spelling of 3983697 in words is "three million, nine hundred eighty-three thousand, six hundred ninety-seven".