3728529 has 12 divisors (see below), whose sum is σ = 6155136. Its totient is φ = 2130552.

The previous prime is 3728513. The next prime is 3728533. The reversal of 3728529 is 9258273.

It is a happy number.

It is not a de Polignac number, because 3728529 - 2⁴ = 3728513 is a prime.

It is a super-3 number, since 3×3728529³ (a number of 21 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3728493 and 3728502.

It is not an unprimeable number, because it can be changed into a prime (3728509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29529 + ... + 29654.

It is an arithmetic number, because the mean of its divisors is an integer number (512928).

Almost surely, 2^3728529 is an apocalyptic number.

It is an amenable number.

3728529 is a deficient number, since it is larger than the sum of its proper divisors (2426607).

3728529 is a wasteful number, since it uses less digits than its factorization.

3728529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59196 (or 59193 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3728529 is about 1930.9399265643. The cubic root of 3728529 is about 155.0645447455.

The spelling of 3728529 in words is "three million, seven hundred twenty-eight thousand, five hundred twenty-nine".