3996061 has 4 divisors (see below), whose sum is σ = 4206400. Its totient is φ = 3785724.

The previous prime is 3996059. The next prime is 3996067. The reversal of 3996061 is 1606993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1606993 = 17 ⋅94529.

It is a cyclic number.

It is not a de Polignac number, because 3996061 - 2¹ = 3996059 is a prime.

It is a super-3 number, since 3×3996061³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

3996061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996067) 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, 105141 + ... + 105178.

It is an arithmetic number, because the mean of its divisors is an integer number (1051600).

Almost surely, 2^3996061 is an apocalyptic number.

It is an amenable number.

3996061 is a deficient number, since it is larger than the sum of its proper divisors (210339).

3996061 is a wasteful number, since it uses less digits than its factorization.

3996061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210338.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 3996061 is about 1999.0150074474. The cubic root of 3996061 is about 158.6879816440.

It can be divided in two parts, 39 and 96061, that added together give a square (96100 = 310²).

The spelling of 3996061 in words is "three million, nine hundred ninety-six thousand, sixty-one".