3649750 has 32 divisors (see below), whose sum is σ = 7364448. Its totient is φ = 1346400.

The previous prime is 3649741. The next prime is 3649753. The reversal of 3649750 is 579463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649753) 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 15 ways as a sum of consecutive naturals, for example, 2689 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (230139).

Almost surely, 2^3649750 is an apocalyptic number.

3649750 is an abundant number, since it is smaller than the sum of its proper divisors (3714698).

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

3649750 is a wasteful number, since it uses less digits than its factorization.

3649750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3649750 is about 1910.4318883436. The cubic root of 3649750 is about 153.9646570944.

The spelling of 3649750 in words is "three million, six hundred forty-nine thousand, seven hundred fifty".