3575649 has 32 divisors (see below), whose sum is σ = 6211584. Its totient is φ = 1774080.

The previous prime is 3575647. The next prime is 3575653. The reversal of 3575649 is 9465753.

It is not a de Polignac number, because 3575649 - 2¹ = 3575647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3575647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4977 + ... + 5649.

It is an arithmetic number, because the mean of its divisors is an integer number (194112).

Almost surely, 2^3575649 is an apocalyptic number.

It is an amenable number.

3575649 is a deficient number, since it is larger than the sum of its proper divisors (2635935).

3575649 is a wasteful number, since it uses less digits than its factorization.

3575649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its digits is 113400, while the sum is 39.

The square root of 3575649 is about 1890.9386558003. The cubic root of 3575649 is about 152.9155414077.

It can be divided in two parts, 3575 and 649, that added together give a palindrome (4224).

The spelling of 3575649 in words is "three million, five hundred seventy-five thousand, six hundred forty-nine".