3947074 has 8 divisors (see below), whose sum is σ = 6124860. Its totient is φ = 1905456.

The previous prime is 3947071. The next prime is 3947087. The reversal of 3947074 is 4707493.

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 85849 = 1965^2 + 293^2 .

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

It is a super-2 number, since 2×3947074² = 31158786322952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3947071) 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, 33969 + ... + 34084.

Almost surely, 2^3947074 is an apocalyptic number.

3947074 is a deficient number, since it is larger than the sum of its proper divisors (2177786).

3947074 is a wasteful number, since it uses less digits than its factorization.

3947074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68084.

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

The square root of 3947074 is about 1986.7244398758. The cubic root of 3947074 is about 158.0368711685.

The spelling of 3947074 in words is "three million, nine hundred forty-seven thousand, seventy-four".