3901830 has 32 divisors (see below), whose sum is σ = 9483264. Its totient is φ = 1027296.

The previous prime is 3901829. The next prime is 3901837. The reversal of 3901830 is 381093.

3901830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 3901830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

Almost surely, 2^3901830 is an apocalyptic number.

3901830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3901830 is an abundant number, since it is smaller than the sum of its proper divisors (5581434).

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

3901830 is a wasteful number, since it uses less digits than its factorization.

3901830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

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

The square root of 3901830 is about 1975.3050397344. The cubic root of 3901830 is about 157.4307077405.

The spelling of 3901830 in words is "three million, nine hundred one thousand, eight hundred thirty".