3281970 has 32 divisors (see below), whose sum is σ = 8133120. Its totient is φ = 846720.

The previous prime is 3281933. The next prime is 3281981. The reversal of 3281970 is 791823.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (254160).

Almost surely, 2^3281970 is an apocalyptic number.

3281970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3281970 is an abundant number, since it is smaller than the sum of its proper divisors (4851150).

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

3281970 is a wasteful number, since it uses less digits than its factorization.

3281970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3281970 is about 1811.6208212537. The cubic root of 3281970 is about 148.6089169101.

The spelling of 3281970 in words is "three million, two hundred eighty-one thousand, nine hundred seventy".