838939742 has 8 divisors (see below), whose sum is σ = 1258545600. Its totient is φ = 419424544.

The previous prime is 838939741. The next prime is 838939769. The reversal of 838939742 is 247939838.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838939741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9734 + ... + 42102.

It is an arithmetic number, because the mean of its divisors is an integer number (157318200).

Almost surely, 2^838939742 is an apocalyptic number.

838939742 is a deficient number, since it is larger than the sum of its proper divisors (419605858).

838939742 is a wasteful number, since it uses less digits than its factorization.

838939742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45330.

The product of its digits is 2612736, while the sum is 53.

The square root of 838939742 is about 28964.4565286490. The cubic root of 838939742 is about 943.1416469540.

The spelling of 838939742 in words is "eight hundred thirty-eight million, nine hundred thirty-nine thousand, seven hundred forty-two".