3505750 has 32 divisors (see below), whose sum is σ = 6757920. Its totient is φ = 1360800.

The previous prime is 3505727. The next prime is 3505751. The reversal of 3505750 is 575053.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9061 + ... + 9439.

It is an arithmetic number, because the mean of its divisors is an integer number (211185).

Almost surely, 2^3505750 is an apocalyptic number.

3505750 is a deficient number, since it is larger than the sum of its proper divisors (3252170).

3505750 is a wasteful number, since it uses less digits than its factorization.

3505750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 3505750 is about 1872.3648148798. The cubic root of 3505750 is about 151.9125478017.

The spelling of 3505750 in words is "three million, five hundred five thousand, seven hundred fifty".