3818772 has 48 divisors (see below), whose sum is σ = 10427200. Its totient is φ = 1205280.

The previous prime is 3818767. The next prime is 3818803. The reversal of 3818772 is 2778183.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 1122 + ... + 2982.

Almost surely, 2^3818772 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 3818772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5213600).

3818772 is an abundant number, since it is smaller than the sum of its proper divisors (6608428).

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

3818772 is a wasteful number, since it uses less digits than its factorization.

3818772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893 (or 1885 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 3818772 is about 1954.1678535888. The cubic root of 3818772 is about 156.3056139097.

The spelling of 3818772 in words is "three million, eight hundred eighteen thousand, seven hundred seventy-two".