3880647 has 12 divisors (see below), whose sum is σ = 5685264. Its totient is φ = 2550240.

The previous prime is 3880633. The next prime is 3880661. The reversal of 3880647 is 7460883.

3880647 is a `hidden beast` number, since 3 + 8 + 8 + 0 + 647 = 666.

It is an interprime number because it is at equal distance from previous prime (3880633) and next prime (3880661).

It is not a de Polignac number, because 3880647 - 2⁴ = 3880631 is a prime.

It is a super-2 number, since 2×3880647² = 30118842277218, which contains 22 as substring.

3880647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2398 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (473772).

Almost surely, 2^3880647 is an apocalyptic number.

3880647 is a deficient number, since it is larger than the sum of its proper divisors (1804617).

3880647 is a wasteful number, since it uses less digits than its factorization.

3880647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3880647 is about 1969.9357857555. The cubic root of 3880647 is about 157.1452939803.

The spelling of 3880647 in words is "three million, eight hundred eighty thousand, six hundred forty-seven".