3505272 has 32 divisors (see below), whose sum is σ = 9225600. Its totient is φ = 1106784.

The previous prime is 3505267. The next prime is 3505273. The reversal of 3505272 is 2725053.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388 + ... + 4299.

It is an arithmetic number, because the mean of its divisors is an integer number (288300).

Almost surely, 2^3505272 is an apocalyptic number.

It is an amenable number.

3505272 is an abundant number, since it is smaller than the sum of its proper divisors (5720328).

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

3505272 is a wasteful number, since it uses less digits than its factorization.

3505272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715 (or 7711 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 3505272 is about 1872.2371644639. The cubic root of 3505272 is about 151.9056431928.

The spelling of 3505272 in words is "three million, five hundred five thousand, two hundred seventy-two".