3947422 has 8 divisors (see below), whose sum is σ = 6125400. Its totient is φ = 1905624.

The previous prime is 3947413. The next prime is 3947431. The reversal of 3947422 is 2247493.

It is an interprime number because it is at equal distance from previous prime (3947413) and next prime (3947431).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33972 + ... + 34087.

It is an arithmetic number, because the mean of its divisors is an integer number (765675).

Almost surely, 2^3947422 is an apocalyptic number.

3947422 is a deficient number, since it is larger than the sum of its proper divisors (2177978).

3947422 is a wasteful number, since it uses less digits than its factorization.

3947422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68090.

The product of its digits is 12096, while the sum is 31.

The square root of 3947422 is about 1986.8120192912. The cubic root of 3947422 is about 158.0415155553.

The spelling of 3947422 in words is "three million, nine hundred forty-seven thousand, four hundred twenty-two".