3854720 has 64 divisors (see below), whose sum is σ = 9730800. Its totient is φ = 1456128.

The previous prime is 3854717. The next prime is 3854723. The reversal of 3854720 is 274583.

It is a happy number.

3854720 is nontrivially palindromic in base 15.

It is an interprime number because it is at equal distance from previous prime (3854717) and next prime (3854723).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12002 + ... + 12318.

Almost surely, 2^3854720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3854720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4865400).

3854720 is an abundant number, since it is smaller than the sum of its proper divisors (5876080).

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

3854720 is a wasteful number, since it uses less digits than its factorization.

3854720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3854720 is about 1963.3440859921. The cubic root of 3854720 is about 156.7945437502.

The spelling of 3854720 in words is "three million, eight hundred fifty-four thousand, seven hundred twenty".