3994790 has 16 divisors (see below), whose sum is σ = 7278768. Its totient is φ = 1578336.

The previous prime is 3994789. The next prime is 3994799. The reversal of 3994790 is 974993.

It is a super-3 number, since 3×3994790³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (454923).

Almost surely, 2^3994790 is an apocalyptic number.

3994790 is a deficient number, since it is larger than the sum of its proper divisors (3283978).

3994790 is a wasteful number, since it uses less digits than its factorization.

3994790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 3994790 is about 1998.6970755970. The cubic root of 3994790 is about 158.6711555902.

The spelling of 3994790 in words is "three million, nine hundred ninety-four thousand, seven hundred ninety".