838862142 has 16 divisors (see below), whose sum is σ = 1681516800. Its totient is φ = 278988632.

The previous prime is 838862137. The next prime is 838862183. The reversal of 838862142 is 241268838.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 838862094 and 838862103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155142 + ... + 160457.

It is an arithmetic number, because the mean of its divisors is an integer number (105094800).

Almost surely, 2^838862142 is an apocalyptic number.

838862142 is an abundant number, since it is smaller than the sum of its proper divisors (842654658).

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

838862142 is a wasteful number, since it uses less digits than its factorization.

838862142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316047.

The product of its digits is 147456, while the sum is 42.

The square root of 838862142 is about 28963.1169248063. The cubic root of 838862142 is about 943.1125665783.

The spelling of 838862142 in words is "eight hundred thirty-eight million, eight hundred sixty-two thousand, one hundred forty-two".