749838 has 16 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 244536.

The previous prime is 749809. The next prime is 749843. The reversal of 749838 is 838947.

749838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 749796 and 749805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2⁷⁴⁹⁸³⁸ is an apocalyptic number.

749838 is an abundant number, since it is smaller than the sum of its proper divisors (782322).

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

749838 is a wasteful number, since it uses less digits than its factorization.

749838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711.

The product of its digits is 48384, while the sum is 39.

The square root of 749838 is about 865.9318679896. The cubic root of 749838 is about 90.8494875364.

The spelling of 749838 in words is "seven hundred forty-nine thousand, eight hundred thirty-eight".