3947007 has 8 divisors (see below), whose sum is σ = 5491584. Its totient is φ = 2516888.

The previous prime is 3946997. The next prime is 3947017. The reversal of 3947007 is 7007493.

It is an interprime number because it is at equal distance from previous prime (3946997) and next prime (3947017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3947007 - 2⁴ = 3946991 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28533 + ... + 28670.

It is an arithmetic number, because the mean of its divisors is an integer number (686448).

Almost surely, 2^3947007 is an apocalyptic number.

3947007 is a deficient number, since it is larger than the sum of its proper divisors (1544577).

3947007 is a wasteful number, since it uses less digits than its factorization.

3947007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57229.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 3947007 is about 1986.7075778785. The cubic root of 3947007 is about 158.0359769593.

The spelling of 3947007 in words is "three million, nine hundred forty-seven thousand, seven".