3189890 has 32 divisors (see below), whose sum is σ = 6407424. Its totient is φ = 1133440.

The previous prime is 3189889. The next prime is 3189899. The reversal of 3189890 is 989813.

It is not an unprimeable number, because it can be changed into a prime (3189899) 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, 4862 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (200232).

Almost surely, 2^3189890 is an apocalyptic number.

3189890 is an abundant number, since it is smaller than the sum of its proper divisors (3217534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3189890 is a wasteful number, since it uses less digits than its factorization.

3189890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 3189890 is about 1786.0263155956. The cubic root of 3189890 is about 147.2059063970.

The spelling of 3189890 in words is "three million, one hundred eighty-nine thousand, eight hundred ninety".