3529472 has 36 divisors (see below), whose sum is σ = 7468776. Its totient is φ = 1658880.

The previous prime is 3529451. The next prime is 3529499. The reversal of 3529472 is 2749253.

It is a happy number.

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

It is a d-powerful number, because it can be written as 3⁷ + 5⁷ + 2¹⁹ + 9² + 4⁶ + 7⁷ + 2²¹ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3947 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (207466).

Almost surely, 2^3529472 is an apocalyptic number.

3529472 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 3529472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734388).

3529472 is an abundant number, since it is smaller than the sum of its proper divisors (3939304).

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

3529472 is an equidigital number, since it uses as much as digits as its factorization.

3529472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 830 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 3529472 is about 1878.6889045289. The cubic root of 3529472 is about 152.2544215504.

The spelling of 3529472 in words is "three million, five hundred twenty-nine thousand, four hundred seventy-two".