3942277 has 4 divisors (see below), whose sum is σ = 3948480. Its totient is φ = 3936076.

The previous prime is 3942259. The next prime is 3942287. The reversal of 3942277 is 7722493.

3942277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 7722493 = 19 ⋅406447.

It is a cyclic number.

It is not a de Polignac number, because 3942277 - 2¹⁵ = 3909509 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 (3942217) 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 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (987120).

Almost surely, 2^3942277 is an apocalyptic number.

It is an amenable number.

3942277 is a deficient number, since it is larger than the sum of its proper divisors (6203).

3942277 is an equidigital number, since it uses as much as digits as its factorization.

3942277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202.

The product of its digits is 21168, while the sum is 34.

The square root of 3942277 is about 1985.5168092968. The cubic root of 3942277 is about 157.9728228639.

The spelling of 3942277 in words is "three million, nine hundred forty-two thousand, two hundred seventy-seven".