3946207 has 4 divisors (see below), whose sum is σ = 4073536. Its totient is φ = 3818880.

The previous prime is 3946183. The next prime is 3946211. The reversal of 3946207 is 7026493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3946207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 127297 = 3946207 / (3 + 9 + 4 + 6 + 2 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946237) 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, 63618 + ... + 63679.

It is an arithmetic number, because the mean of its divisors is an integer number (1018384).

Almost surely, 2^3946207 is an apocalyptic number.

3946207 is a deficient number, since it is larger than the sum of its proper divisors (127329).

3946207 is a wasteful number, since it uses less digits than its factorization.

3946207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127328.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 3946207 is about 1986.5062295397. The cubic root of 3946207 is about 158.0252990520.

The spelling of 3946207 in words is "three million, nine hundred forty-six thousand, two hundred seven".