3661248 has 28 divisors (see below), whose sum is σ = 9687560. Its totient is φ = 1220352.

The previous prime is 3661247. The next prime is 3661249. The reversal of 3661248 is 8421663.

It is an interprime number because it is at equal distance from previous prime (3661247) and next prime (3661249).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661247) 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 3 ways as a sum of consecutive naturals, for example, 9343 + ... + 9726.

Almost surely, 2^3661248 is an apocalyptic number.

It is an amenable number.

3661248 is an abundant number, since it is smaller than the sum of its proper divisors (6026312).

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

3661248 is a wasteful number, since it uses less digits than its factorization.

3661248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19084 (or 19074 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 3661248 is about 1913.4387891960. The cubic root of 3661248 is about 154.1261686012.

The spelling of 3661248 in words is "three million, six hundred sixty-one thousand, two hundred forty-eight".