3947095 has 4 divisors (see below), whose sum is σ = 4736520. Its totient is φ = 3157672.

The previous prime is 3947089. The next prime is 3947101. The reversal of 3947095 is 5907493.

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

It is an interprime number because it is at equal distance from previous prime (3947089) and next prime (3947101).

It is a cyclic number.

It is not a de Polignac number, because 3947095 - 2³ = 3947087 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 394705 + ... + 394714.

It is an arithmetic number, because the mean of its divisors is an integer number (1184130).

Almost surely, 2^3947095 is an apocalyptic number.

3947095 is a deficient number, since it is larger than the sum of its proper divisors (789425).

3947095 is an equidigital number, since it uses as much as digits as its factorization.

3947095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789424.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3947095 is about 1986.7297249500. The cubic root of 3947095 is about 158.0371514410.

It can be divided in two parts, 394 and 7095, that multiplied together give a triangular number (2795430 = T₂₃₆₄).

The spelling of 3947095 in words is "three million, nine hundred forty-seven thousand, ninety-five".