3846720 has 56 divisors (see below), whose sum is σ = 12216384. Its totient is φ = 1025536.

The previous prime is 3846707. The next prime is 3846751. The reversal of 3846720 is 276483.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 3¹⁰ + 8⁷ + 4¹⁰ + 6 + 7⁶ + 2¹⁹ + 0 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044 + ... + 2963.

Almost surely, 2^3846720 is an apocalyptic number.

3846720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3846720 is an abundant number, since it is smaller than the sum of its proper divisors (8369664).

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

3846720 is a wasteful number, since it uses less digits than its factorization.

3846720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3846720 is about 1961.3056875459. The cubic root of 3846720 is about 156.6859993244.

The spelling of 3846720 in words is "three million, eight hundred forty-six thousand, seven hundred twenty".