3947026 has 8 divisors (see below), whose sum is σ = 6268860. Its totient is φ = 1857408.

The previous prime is 3947023. The next prime is 3947051. The reversal of 3947026 is 6207493.

It can be written as a sum of positive squares in 2 ways, for example, as 3806401 + 140625 = 1951^2 + 375^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3947023) 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, 58011 + ... + 58078.

Almost surely, 2^3947026 is an apocalyptic number.

3947026 is a deficient number, since it is larger than the sum of its proper divisors (2321834).

3947026 is a wasteful number, since it uses less digits than its factorization.

3947026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116108.

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

The square root of 3947026 is about 1986.7123596535. The cubic root of 3947026 is about 158.0362305421.

The spelling of 3947026 in words is "three million, nine hundred forty-seven thousand, twenty-six".