3994070 has 16 divisors (see below), whose sum is σ = 7218288. Its totient is φ = 1591200.

The previous prime is 3994069. The next prime is 3994079. The reversal of 3994070 is 704993.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994079) 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, 2420 + ... + 3720.

It is an arithmetic number, because the mean of its divisors is an integer number (451143).

Almost surely, 2^3994070 is an apocalyptic number.

3994070 is a deficient number, since it is larger than the sum of its proper divisors (3224218).

3994070 is a wasteful number, since it uses less digits than its factorization.

3994070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3994070 is about 1998.5169501408. The cubic root of 3994070 is about 158.6616223318.

The spelling of 3994070 in words is "three million, nine hundred ninety-four thousand, seventy".