3665257284 has 24 divisors (see below), whose sum is σ = 9210134080. Its totient is φ = 1127771424.

The previous prime is 3665257261. The next prime is 3665257289. The reversal of 3665257284 is 4827525663.

It is a super-2 number, since 2×3665257284² = 26868221915830113312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3665257289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11747464 + ... + 11747775.

Almost surely, 2^3665257284 is an apocalyptic number.

It is an amenable number.

3665257284 is an abundant number, since it is smaller than the sum of its proper divisors (5544876796).

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

3665257284 is a wasteful number, since it uses less digits than its factorization.

3665257284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23495259 (or 23495257 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The square root of 3665257284 is about 60541.3683690747. The cubic root of 3665257284 is about 1541.8240718069.

The spelling of 3665257284 in words is "three billion, six hundred sixty-five million, two hundred fifty-seven thousand, two hundred eighty-four".