749389198 has 8 divisors (see below), whose sum is σ = 1129036392. Its totient is φ = 373043736.

The previous prime is 749389187. The next prime is 749389211. The reversal of 749389198 is 891983947.

It is a happy number.

749389198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824865 + ... + 825772.

It is an arithmetic number, because the mean of its divisors is an integer number (141129549).

Almost surely, 2^749389198 is an apocalyptic number.

749389198 is a deficient number, since it is larger than the sum of its proper divisors (379647194).

749389198 is a wasteful number, since it uses less digits than its factorization.

749389198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650866.

The product of its digits is 3919104, while the sum is 58.

The square root of 749389198 is about 27374.9739360607. The cubic root of 749389198 is about 908.3135847870.

The spelling of 749389198 in words is "seven hundred forty-nine million, three hundred eighty-nine thousand, one hundred ninety-eight".