3817072 has 40 divisors (see below), whose sum is σ = 8544096. Its totient is φ = 1618176.

The previous prime is 3817063. The next prime is 3817111. The reversal of 3817072 is 2707183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 3817072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19278 + ... + 19474.

Almost surely, 2^3817072 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 3817072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4272048).

3817072 is an abundant number, since it is smaller than the sum of its proper divisors (4727024).

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

3817072 is a wasteful number, since it uses less digits than its factorization.

3817072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 3817072 is about 1953.7328374166. The cubic root of 3817072 is about 156.2824163143.

The spelling of 3817072 in words is "three million, eight hundred seventeen thousand, seventy-two".