3648276 has 18 divisors (see below), whose sum is σ = 9222122. Its totient is φ = 1216080.

The previous prime is 3648269. The next prime is 3648277. The reversal of 3648276 is 6728463.

3648276 is a `hidden beast` number, since 3 + 648 + 2 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 76176 = 1890^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 101341 = 3648276 / (3 + 6 + 4 + 8 + 2 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 3648276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50635 + ... + 50706.

Almost surely, 2^3648276 is an apocalyptic number.

3648276 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3648276 is an abundant number, since it is smaller than the sum of its proper divisors (5573846).

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

3648276 is a wasteful number, since it uses less digits than its factorization.

3648276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101351 (or 101346 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3648276 is about 1910.0460727427. The cubic root of 3648276 is about 153.9439274131.

The spelling of 3648276 in words is "three million, six hundred forty-eight thousand, two hundred seventy-six".