3502845 has 42 divisors (see below), whose sum is σ = 6512094. Its totient is φ = 1807920.

The previous prime is 3502813. The next prime is 3502847. The reversal of 3502845 is 5482053.

It can be written as a sum of positive squares in only one way, i.e., 2802276 + 700569 = 1674^2 + 837^2 .

It is not a de Polignac number, because 3502845 - 2⁵ = 3502813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3502847) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 112980 + ... + 113010.

Almost surely, 2^3502845 is an apocalyptic number.

It is an amenable number.

3502845 is a deficient number, since it is larger than the sum of its proper divisors (3009249).

3502845 is an frugal number, since it uses more digits than its factorization.

3502845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3502845 is about 1871.5888971673. The cubic root of 3502845 is about 151.8705760028.

Adding to 3502845 its reverse (5482053), we get a palindrome (8984898).

The spelling of 3502845 in words is "three million, five hundred two thousand, eight hundred forty-five".