3661149 has 16 divisors (see below), whose sum is σ = 5062464. Its totient is φ = 2352000.

The previous prime is 3661139. The next prime is 3661157. The reversal of 3661149 is 9411663.

It is not a de Polignac number, because 3661149 - 2⁸ = 3660893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661139) 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, 12889 + ... + 13169.

It is an arithmetic number, because the mean of its divisors is an integer number (316404).

Almost surely, 2^3661149 is an apocalyptic number.

It is an amenable number.

3661149 is a deficient number, since it is larger than the sum of its proper divisors (1401315).

3661149 is a wasteful number, since it uses less digits than its factorization.

3661149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its digits is 3888, while the sum is 30.

The square root of 3661149 is about 1913.4129193669. The cubic root of 3661149 is about 154.1247794002.

The spelling of 3661149 in words is "three million, six hundred sixty-one thousand, one hundred forty-nine".