3646149 has 8 divisors (see below), whose sum is σ = 5235552. Its totient is φ = 2243760.

The previous prime is 3646129. The next prime is 3646183. The reversal of 3646149 is 9416463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3646149 - 2⁵ = 3646117 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

3646149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46707 + ... + 46784.

It is an arithmetic number, because the mean of its divisors is an integer number (654444).

Almost surely, 2^3646149 is an apocalyptic number.

3646149 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3646149 is a deficient number, since it is larger than the sum of its proper divisors (1589403).

3646149 is a wasteful number, since it uses less digits than its factorization.

3646149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93507.

The product of its digits is 15552, while the sum is 33.

The square root of 3646149 is about 1909.4891987126. The cubic root of 3646149 is about 153.9140043857.

The spelling of 3646149 in words is "three million, six hundred forty-six thousand, one hundred forty-nine".