3928700 has 36 divisors (see below), whose sum is σ = 9030672. Its totient is φ = 1478400.

The previous prime is 3928681. The next prime is 3928703. The reversal of 3928700 is 78293.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (250852).

Almost surely, 2^3928700 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 3928700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4515336).

3928700 is an abundant number, since it is smaller than the sum of its proper divisors (5101972).

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

3928700 is a wasteful number, since it uses less digits than its factorization.

3928700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3928700 is about 1982.0948514135. The cubic root of 3928700 is about 157.7912641752.

The spelling of 3928700 in words is "three million, nine hundred twenty-eight thousand, seven hundred".