260620398 has 24 divisors (see below), whose sum is σ = 575333928. Its totient is φ = 85234032.

The previous prime is 260620363. The next prime is 260620403. The reversal of 260620398 is 893026062.

260620398 is a `hidden beast` number, since 26 + 0 + 620 + 3 + 9 + 8 = 666.

260620398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 135640 + ... + 137547.

It is an arithmetic number, because the mean of its divisors is an integer number (23972247).

Almost surely, 2^260620398 is an apocalyptic number.

260620398 is an abundant number, since it is smaller than the sum of its proper divisors (314713530).

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

260620398 is a wasteful number, since it uses less digits than its factorization.

260620398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273248 (or 273245 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 260620398 is about 16143.7417595798. The cubic root of 260620398 is about 638.7576795785.

The spelling of 260620398 in words is "two hundred sixty million, six hundred twenty thousand, three hundred ninety-eight".