3801930 has 64 divisors (see below), whose sum is σ = 10233216. Its totient is φ = 896000.

The previous prime is 3801899. The next prime is 3801937. The reversal of 3801930 is 391083.

3801930 = 870² + 871² + ... + 874².

It is a self number, because there is not a number n which added to its sum of digits gives 3801930.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13390 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (159894).

Almost surely, 2^3801930 is an apocalyptic number.

3801930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3801930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5116608).

3801930 is an abundant number, since it is smaller than the sum of its proper divisors (6431286).

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

3801930 is a wasteful number, since it uses less digits than its factorization.

3801930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3801930 is about 1949.8538406763. The cubic root of 3801930 is about 156.0754894340.

The spelling of 3801930 in words is "three million, eight hundred one thousand, nine hundred thirty".