3817472 has 30 divisors (see below), whose sum is σ = 7667478. Its totient is φ = 1900544.

The previous prime is 3817447. The next prime is 3817501. The reversal of 3817472 is 2747183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2768896 + 1048576 = 1664^2 + 1024^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16268 + ... + 16500.

Almost surely, 2^3817472 is an apocalyptic number.

3817472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3817472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3833739).

3817472 is an abundant number, since it is smaller than the sum of its proper divisors (3850006).

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

3817472 is an frugal number, since it uses more digits than its factorization.

3817472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 235 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 3817472 is about 1953.8352028766. The cubic root of 3817472 is about 156.2878751916.

The spelling of 3817472 in words is "three million, eight hundred seventeen thousand, four hundred seventy-two".