3800142 has 16 divisors (see below), whose sum is σ = 8444880. Its totient is φ = 1266696.

The previous prime is 3800119. The next prime is 3800149. The reversal of 3800142 is 2410083.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800149) 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, 35133 + ... + 35240.

It is an arithmetic number, because the mean of its divisors is an integer number (527805).

Almost surely, 2^3800142 is an apocalyptic number.

3800142 is an abundant number, since it is smaller than the sum of its proper divisors (4644738).

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

3800142 is a wasteful number, since it uses less digits than its factorization.

3800142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70384 (or 70378 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3800142 is about 1949.3952908530. The cubic root of 3800142 is about 156.0510188158.

The spelling of 3800142 in words is "three million, eight hundred thousand, one hundred forty-two".