3985042 has 8 divisors (see below), whose sum is σ = 6001596. Its totient is φ = 1984512.

The previous prime is 3985039. The next prime is 3985057. The reversal of 3985042 is 2405893.

It can be written as a sum of positive squares in 2 ways, for example, as 2374681 + 1610361 = 1541^2 + 1269^2 .

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 = 3984995 and 3985013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3363 + ... + 4390.

Almost surely, 2^3985042 is an apocalyptic number.

3985042 is a deficient number, since it is larger than the sum of its proper divisors (2016554).

3985042 is a wasteful number, since it uses less digits than its factorization.

3985042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3985042 is about 1996.2569974830. The cubic root of 3985042 is about 158.5419884976.

The spelling of 3985042 in words is "three million, nine hundred eighty-five thousand, forty-two".