749386898 has 18 divisors (see below), whose sum is σ = 1218017439. Its totient is φ = 345638592.

The previous prime is 749386873. The next prime is 749386919. The reversal of 749386898 is 898683947.

It is a happy number.

749386898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 6115729 + 743271169 = 2473^2 + 27263^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19357.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 749386898.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 502538 + ... + 504026.

Almost surely, 2^749386898 is an apocalyptic number.

749386898 is a deficient number, since it is larger than the sum of its proper divisors (468630541).

749386898 is an equidigital number, since it uses as much as digits as its factorization.

749386898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006 (or 1504 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 62.

The square root of 749386898 is about 27374.9319268560. The cubic root of 749386898 is about 908.3126555309.

The spelling of 749386898 in words is "seven hundred forty-nine million, three hundred eighty-six thousand, eight hundred ninety-eight".