3690528 has 48 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 1195776.

The previous prime is 3690527. The next prime is 3690529. The reversal of 3690528 is 8250963.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3690527) and next prime (3690529).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3690521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3033 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

Almost surely, 2^3690528 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 3690528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4979520).

3690528 is an abundant number, since it is smaller than the sum of its proper divisors (6268512).

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

3690528 is a wasteful number, since it uses less digits than its factorization.

3690528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3690528 is about 1921.0746992244. The cubic root of 3690528 is about 154.5359411990.

The spelling of 3690528 in words is "three million, six hundred ninety thousand, five hundred twenty-eight".