744046389 has 12 divisors (see below), whose sum is σ = 1121461536. Its totient is φ = 474464232.

The previous prime is 744046339. The next prime is 744046423. The reversal of 744046389 is 983640447.

744046389 is a `hidden beast` number, since 7 + 4 + 4 + 0 + 4 + 638 + 9 = 666.

It is not a de Polignac number, because 744046389 - 2¹⁷ = 743915317 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744046339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1797007 + ... + 1797420.

It is an arithmetic number, because the mean of its divisors is an integer number (93455128).

Almost surely, 2^744046389 is an apocalyptic number.

It is an amenable number.

744046389 is a deficient number, since it is larger than the sum of its proper divisors (377415147).

744046389 is a wasteful number, since it uses less digits than its factorization.

744046389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594456 (or 3594453 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 744046389 is about 27277.2137323444. The cubic root of 744046389 is about 906.1498114911.

The spelling of 744046389 in words is "seven hundred forty-four million, forty-six thousand, three hundred eighty-nine".