3896547 has 4 divisors (see below), whose sum is σ = 5195400. Its totient is φ = 2597696.

The previous prime is 3896513. The next prime is 3896561. The reversal of 3896547 is 7456983.

It is a happy number.

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-3896547 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3896499 and 3896508.

It is not an unprimeable number, because it can be changed into a prime (3896597) 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, 649422 + ... + 649427.

It is an arithmetic number, because the mean of its divisors is an integer number (1298850).

Almost surely, 2^3896547 is an apocalyptic number.

3896547 is a deficient number, since it is larger than the sum of its proper divisors (1298853).

3896547 is a wasteful number, since it uses less digits than its factorization.

3896547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298852.

The product of its digits is 181440, while the sum is 42.

The square root of 3896547 is about 1973.9673249575. The cubic root of 3896547 is about 157.3596229689.

The spelling of 3896547 in words is "three million, eight hundred ninety-six thousand, five hundred forty-seven".