839293042 has 48 divisors (see below), whose sum is σ = 1553181120. Its totient is φ = 332277120.

The previous prime is 839293019. The next prime is 839293057. The reversal of 839293042 is 240392938.

It is a super-2 number, since 2×839293042² = 1408825620699227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 839292986 and 839293004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446208 + ... + 448084.

It is an arithmetic number, because the mean of its divisors is an integer number (32357940).

Almost surely, 2^839293042 is an apocalyptic number.

839293042 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

839293042 is a deficient number, since it is larger than the sum of its proper divisors (713888078).

839293042 is a wasteful number, since it uses less digits than its factorization.

839293042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 839293042 is about 28970.5547409780. The cubic root of 839293042 is about 943.2740224446.

The spelling of 839293042 in words is "eight hundred thirty-nine million, two hundred ninety-three thousand, forty-two".