239420004 has 24 divisors (see below), whose sum is σ = 560971488. Its totient is φ = 79474560.

The previous prime is 239420003. The next prime is 239420009. The reversal of 239420004 is 400024932.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (239420003) 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 7 ways as a sum of consecutive naturals, for example, 38502 + ... + 44285.

It is an arithmetic number, because the mean of its divisors is an integer number (23373812).

Almost surely, 2^239420004 is an apocalyptic number.

It is an amenable number.

239420004 is an abundant number, since it is smaller than the sum of its proper divisors (321551484).

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

239420004 is a wasteful number, since it uses less digits than its factorization.

239420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83035 (or 83033 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 239420004 is about 15473.2027712429. The cubic root of 239420004 is about 620.9454911561.

Adding to 239420004 its reverse (400024932), we get a palindrome (639444936).

The spelling of 239420004 in words is "two hundred thirty-nine million, four hundred twenty thousand, four".