38783442 has 8 divisors (see below), whose sum is σ = 77566896. Its totient is φ = 12927812.

The previous prime is 38783431. The next prime is 38783471. The reversal of 38783442 is 24438783.

It is a sphenic number, since it is the product of 3 distinct primes.

38783442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 38783442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231948 + ... + 3231959.

It is an arithmetic number, because the mean of its divisors is an integer number (9695862).

Almost surely, 2^38783442 is an apocalyptic number.

38783442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38783442 is a wasteful number, since it uses less digits than its factorization.

38783442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463912.

The product of its digits is 129024, while the sum is 39.

The square root of 38783442 is about 6227.6353457793. The cubic root of 38783442 is about 338.4922917516.

The spelling of 38783442 in words is "thirty-eight million, seven hundred eighty-three thousand, four hundred forty-two".