3846578 has 4 divisors (see below), whose sum is σ = 5769870. Its totient is φ = 1923288.

The previous prime is 3846571. The next prime is 3846593. The reversal of 3846578 is 8756483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8756483 = 113 ⋅77491.

It can be written as a sum of positive squares in only one way, i.e., 3179089 + 667489 = 1783^2 + 817^2 .

It is not an unprimeable number, because it can be changed into a prime (3846571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961643 + ... + 961646.

Almost surely, 2^3846578 is an apocalyptic number.

3846578 is a deficient number, since it is larger than the sum of its proper divisors (1923292).

3846578 is a wasteful number, since it uses less digits than its factorization.

3846578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923291.

The product of its digits is 161280, while the sum is 41.

The square root of 3846578 is about 1961.2694868375. The cubic root of 3846578 is about 156.6840713021.

The spelling of 3846578 in words is "three million, eight hundred forty-six thousand, five hundred seventy-eight".