339628042 has 8 divisors (see below), whose sum is σ = 548629956. Its totient is φ = 156751392.

The previous prime is 339628027. The next prime is 339628043. The reversal of 339628042 is 240826933.

It is a Cunningham number, because it is equal to 18429²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 339628041 + 1 = 18429^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 339627992 and 339628010.

It is not an unprimeable number, because it can be changed into a prime (339628043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6531283 + ... + 6531334.

Almost surely, 2^339628042 is an apocalyptic number.

339628042 is a deficient number, since it is larger than the sum of its proper divisors (209001914).

339628042 is a wasteful number, since it uses less digits than its factorization.

339628042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062632.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 339628042 is about 18429.0000271312. Note that the first 4 decimals coincide. The cubic root of 339628042 is about 697.6985929203.

The spelling of 339628042 in words is "three hundred thirty-nine million, six hundred twenty-eight thousand, forty-two".