3681234 has 16 divisors (see below), whose sum is σ = 8180640. Its totient is φ = 1227060.

The previous prime is 3681217. The next prime is 3681239. The reversal of 3681234 is 4321863.

It is a happy number.

3681234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3681234³ (a number of 21 digits) contains 333 as substring.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3681198 and 3681207.

It is not an unprimeable number, because it can be changed into a prime (3681239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34032 + ... + 34139.

It is an arithmetic number, because the mean of its divisors is an integer number (511290).

Almost surely, 2^3681234 is an apocalyptic number.

3681234 is an abundant number, since it is smaller than the sum of its proper divisors (4499406).

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

3681234 is a wasteful number, since it uses less digits than its factorization.

3681234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68182 (or 68176 counting only the distinct ones).

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

The square root of 3681234 is about 1918.6542158503. The cubic root of 3681234 is about 154.4061075286.

The spelling of 3681234 in words is "three million, six hundred eighty-one thousand, two hundred thirty-four".