3809142 has 12 divisors (see below), whose sum is σ = 8253180. Its totient is φ = 1269708.

The previous prime is 3809137. The next prime is 3809149. The reversal of 3809142 is 2419083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105792 + ... + 105827.

It is an arithmetic number, because the mean of its divisors is an integer number (687765).

Almost surely, 2^3809142 is an apocalyptic number.

3809142 is an abundant number, since it is smaller than the sum of its proper divisors (4444038).

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

3809142 is a wasteful number, since it uses less digits than its factorization.

3809142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211627 (or 211624 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3809142 is about 1951.7023338614. The cubic root of 3809142 is about 156.1741152583.

The spelling of 3809142 in words is "three million, eight hundred nine thousand, one hundred forty-two".