3649158 has 16 divisors (see below), whose sum is σ = 8109360. Its totient is φ = 1216368.

The previous prime is 3649153. The next prime is 3649181. The reversal of 3649158 is 8519463.

3649158 is a `hidden beast` number, since 3 + 649 + 1 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649153) 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, 33735 + ... + 33842.

It is an arithmetic number, because the mean of its divisors is an integer number (506835).

Almost surely, 2^3649158 is an apocalyptic number.

3649158 is an abundant number, since it is smaller than the sum of its proper divisors (4460202).

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

3649158 is a wasteful number, since it uses less digits than its factorization.

3649158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67588 (or 67582 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3649158 is about 1910.2769432729. The cubic root of 3649158 is about 153.9563321401.

It can be divided in two parts, 36 and 49158, that added together give a palindrome (49194).

The spelling of 3649158 in words is "three million, six hundred forty-nine thousand, one hundred fifty-eight".