3661148 has 24 divisors (see below), whose sum is σ = 6854400. Its totient is φ = 1705968.

The previous prime is 3661139. The next prime is 3661157. The reversal of 3661148 is 8411663.

It is an interprime number because it is at equal distance from previous prime (3661139) and next prime (3661157).

It is a self number, because there is not a number n which added to its sum of digits gives 3661148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4733 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (285600).

Almost surely, 2^3661148 is an apocalyptic number.

3661148 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3661148 is a deficient number, since it is larger than the sum of its proper divisors (3193252).

3661148 is a wasteful number, since it uses less digits than its factorization.

3661148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 807 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 3661148 is about 1913.4126580537. The cubic root of 3661148 is about 154.1247653677.

The spelling of 3661148 in words is "three million, six hundred sixty-one thousand, one hundred forty-eight".