3944057 has 4 divisors (see below), whose sum is σ = 4247460. Its totient is φ = 3640656.

The previous prime is 3944041. The next prime is 3944107. The reversal of 3944057 is 7504493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7504493 = 479 ⋅15667.

It can be written as a sum of positive squares in 2 ways, for example, as 1371241 + 2572816 = 1171^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 3944057 - 2⁴ = 3944041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3944257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151682 + ... + 151707.

It is an arithmetic number, because the mean of its divisors is an integer number (1061865).

Almost surely, 2^3944057 is an apocalyptic number.

It is an amenable number.

3944057 is a deficient number, since it is larger than the sum of its proper divisors (303403).

3944057 is a wasteful number, since it uses less digits than its factorization.

3944057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303402.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3944057 is about 1985.9650047269. The cubic root of 3944057 is about 157.9965950236.

The spelling of 3944057 in words is "three million, nine hundred forty-four thousand, fifty-seven".