748381986 has 24 divisors (see below), whose sum is σ = 1768903344. Its totient is φ = 226782360.

The previous prime is 748381969. The next prime is 748382021. The reversal of 748381986 is 689183847.

748381986 is a `hidden beast` number, since 7 + 483 + 81 + 9 + 86 = 666.

748381986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1889656 + ... + 1890051.

It is an arithmetic number, because the mean of its divisors is an integer number (73704306).

Almost surely, 2^748381986 is an apocalyptic number.

748381986 is an abundant number, since it is smaller than the sum of its proper divisors (1020521358).

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

748381986 is a wasteful number, since it uses less digits than its factorization.

748381986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779726 (or 3779723 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 748381986 is about 27356.5711667234. The cubic root of 748381986 is about 907.9064645511.

The spelling of 748381986 in words is "seven hundred forty-eight million, three hundred eighty-one thousand, nine hundred eighty-six".