239420780 has 12 divisors (see below), whose sum is σ = 502783680. Its totient is φ = 95768304.

The previous prime is 239420737. The next prime is 239420807. The reversal of 239420780 is 87024932.

It is a self number, because there is not a number n which added to its sum of digits gives 239420780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5985500 + ... + 5985539.

It is an arithmetic number, because the mean of its divisors is an integer number (41898640).

Almost surely, 2^239420780 is an apocalyptic number.

239420780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239420780 is an abundant number, since it is smaller than the sum of its proper divisors (263362900).

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

239420780 is a wasteful number, since it uses less digits than its factorization.

239420780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11971048 (or 11971046 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 239420780 is about 15473.2278468327. The cubic root of 239420780 is about 620.9461620179.

The spelling of 239420780 in words is "two hundred thirty-nine million, four hundred twenty thousand, seven hundred eighty".