3960553 has 4 divisors (see below), whose sum is σ = 3981268. Its totient is φ = 3939840.

The previous prime is 3960521. The next prime is 3960557. The reversal of 3960553 is 3550693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1734489 + 2226064 = 1317^2 + 1492^2 .

It is a cyclic number.

It is not a de Polignac number, because 3960553 - 2⁵ = 3960521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10068 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (995317).

Almost surely, 2^3960553 is an apocalyptic number.

It is an amenable number.

3960553 is a deficient number, since it is larger than the sum of its proper divisors (20715).

3960553 is a wasteful number, since it uses less digits than its factorization.

3960553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20714.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 3960553 is about 1990.1138158407. The cubic root of 3960553 is about 158.2165619782.

The spelling of 3960553 in words is "three million, nine hundred sixty thousand, five hundred fifty-three".