383742 has 12 divisors (see below), whose sum is σ = 831480. Its totient is φ = 127908.

The previous prime is 383729. The next prime is 383753. The reversal of 383742 is 247383.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 383742.

It is an unprimeable number.

383742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10642 + ... + 10677.

It is an arithmetic number, because the mean of its divisors is an integer number (69290).

2³⁸³⁷⁴² is an apocalyptic number.

383742 is an abundant number, since it is smaller than the sum of its proper divisors (447738).

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

383742 is a wasteful number, since it uses less digits than its factorization.

383742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327 (or 21324 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 383742 is about 619.4691275600. The cubic root of 383742 is about 72.6685416943.

The spelling of 383742 in words is "three hundred eighty-three thousand, seven hundred forty-two".