3999770 has 32 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 1535040.

The previous prime is 3999763. The next prime is 3999773. The reversal of 3999770 is 779993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48149 + ... + 48231.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 2^3999770 is an apocalyptic number.

3999770 is a deficient number, since it is larger than the sum of its proper divisors (3499750).

3999770 is a wasteful number, since it uses less digits than its factorization.

3999770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 3999770 is about 1999.9424991734. The cubic root of 3999770 is about 158.7370626198.

The spelling of 3999770 in words is "three million, nine hundred ninety-nine thousand, seven hundred seventy".