750385 has 4 divisors (see below), whose sum is σ = 900468. Its totient is φ = 600304.

The previous prime is 750383. The next prime is 750401. The reversal of 750385 is 583057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583057 = 127 ⋅4591.

It can be written as a sum of positive squares in 2 ways, for example, as 418609 + 331776 = 647^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 750385 - 2¹ = 750383 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (750383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75034 + ... + 75043.

It is an arithmetic number, because the mean of its divisors is an integer number (225117).

2⁷⁵⁰³⁸⁵ is an apocalyptic number.

It is an amenable number.

750385 is a deficient number, since it is larger than the sum of its proper divisors (150083).

750385 is a wasteful number, since it uses less digits than its factorization.

750385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150082.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 750385 is about 866.2476551195. The cubic root of 750385 is about 90.8715734584.

The spelling of 750385 in words is "seven hundred fifty thousand, three hundred eighty-five".