4012236 has 36 divisors (see below), whose sum is σ = 10319400. Its totient is φ = 1314048.

The previous prime is 4012213. The next prime is 4012241. The reversal of 4012236 is 6322104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1180 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (286650).

Almost surely, 2^4012236 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 4012236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5159700).

4012236 is an abundant number, since it is smaller than the sum of its proper divisors (6307164).

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

4012236 is a wasteful number, since it uses less digits than its factorization.

4012236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4012236 is about 2003.0566642010. The cubic root of 4012236 is about 158.9018024254.

The spelling of 4012236 in words is "four million, twelve thousand, two hundred thirty-six".