3261384 has 80 divisors (see below), whose sum is σ = 10454400. Its totient is φ = 930528.

The previous prime is 3261373. The next prime is 3261397. The reversal of 3261384 is 4831623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4177 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

Almost surely, 2^3261384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3261384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5227200).

3261384 is an abundant number, since it is smaller than the sum of its proper divisors (7193016).

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

3261384 is a wasteful number, since it uses less digits than its factorization.

3261384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 731 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3261384 is about 1805.9302312105. The cubic root of 3261384 is about 148.2975508802.

It can be divided in two parts, 32 and 61384, that added together give a palindrome (61416).

The spelling of 3261384 in words is "three million, two hundred sixty-one thousand, three hundred eighty-four".