3990034 has 8 divisors (see below), whose sum is σ = 6067260. Its totient is φ = 1967616.

The previous prime is 3990031. The next prime is 3990037. The reversal of 3990034 is 4300993.

It is an interprime number because it is at equal distance from previous prime (3990031) and next prime (3990037).

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 2025 = 1997^2 + 45^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3989984 and 3990011.

It is not an unprimeable number, because it can be changed into a prime (3990031) 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, 13519 + ... + 13810.

Almost surely, 2^3990034 is an apocalyptic number.

3990034 is a deficient number, since it is larger than the sum of its proper divisors (2077226).

3990034 is a wasteful number, since it uses less digits than its factorization.

3990034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27404.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3990034 is about 1997.5069461707. The cubic root of 3990034 is about 158.6081618998.

The spelling of 3990034 in words is "three million, nine hundred ninety thousand, thirty-four".