3789647 has 4 divisors (see below), whose sum is σ = 3814896. Its totient is φ = 3764400.

The previous prime is 3789613. The next prime is 3789701. The reversal of 3789647 is 7469873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3789647 is a prime.

It is a super-2 number, since 2×3789647² = 28722848769218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3789598 and 3789607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3786647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12398 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (953724).

Almost surely, 2^3789647 is an apocalyptic number.

3789647 is a deficient number, since it is larger than the sum of its proper divisors (25249).

3789647 is a wasteful number, since it uses less digits than its factorization.

3789647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25248.

The product of its digits is 254016, while the sum is 44.

The square root of 3789647 is about 1946.7015693218. The cubic root of 3789647 is about 155.9072289745.

The spelling of 3789647 in words is "three million, seven hundred eighty-nine thousand, six hundred forty-seven".