3983745 has 16 divisors (see below), whose sum is σ = 6495552. Its totient is φ = 2084160.

The previous prime is 3983719. The next prime is 3983747. The reversal of 3983745 is 5473893.

It is not a de Polignac number, because 3983745 - 2¹⁰ = 3982721 is a prime.

It is a d-powerful number, because it can be written as 3³ + 9⁶ + 8⁷ + 3¹² + 7⁷ + 4² + 5³ .

It is not an unprimeable number, because it can be changed into a prime (3983747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (405972).

Almost surely, 2^3983745 is an apocalyptic number.

It is an amenable number.

3983745 is a deficient number, since it is larger than the sum of its proper divisors (2511807).

3983745 is a wasteful number, since it uses less digits than its factorization.

3983745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its digits is 90720, while the sum is 39.

The square root of 3983745 is about 1995.9321130740. The cubic root of 3983745 is about 158.5247865650.

It can be divided in two parts, 3 and 983745, that multiplied together give a triangular number (2951235 = T₂₄₂₉).

The spelling of 3983745 in words is "three million, nine hundred eighty-three thousand, seven hundred forty-five".