3890018 has 8 divisors (see below), whose sum is σ = 6365520. Its totient is φ = 1768180.

The previous prime is 3890011. The next prime is 3890021. The reversal of 3890018 is 8100983.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3890011) 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 3 ways as a sum of consecutive naturals, for example, 88388 + ... + 88431.

It is an arithmetic number, because the mean of its divisors is an integer number (795690).

Almost surely, 2^3890018 is an apocalyptic number.

3890018 is a deficient number, since it is larger than the sum of its proper divisors (2475502).

3890018 is a wasteful number, since it uses less digits than its factorization.

3890018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176832.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 3890018 is about 1972.3128555075. The cubic root of 3890018 is about 157.2716839684.

The spelling of 3890018 in words is "three million, eight hundred ninety thousand, eighteen".