744085385 has 16 divisors (see below), whose sum is σ = 899942400. Its totient is φ = 590592960.

The previous prime is 744085369. The next prime is 744085409. The reversal of 744085385 is 583580447.

It is not a de Polignac number, because 744085385 - 2⁴ = 744085369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479591 + ... + 481139.

It is an arithmetic number, because the mean of its divisors is an integer number (56246400).

Almost surely, 2^744085385 is an apocalyptic number.

It is an amenable number.

744085385 is a deficient number, since it is larger than the sum of its proper divisors (155857015).

744085385 is a wasteful number, since it uses less digits than its factorization.

744085385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 744085385 is about 27277.9285320568. The cubic root of 744085385 is about 906.1656418664.

The spelling of 744085385 in words is "seven hundred forty-four million, eighty-five thousand, three hundred eighty-five".