740384 has 24 divisors (see below), whose sum is σ = 1544508. Its totient is φ = 348160.

The previous prime is 740371. The next prime is 740387. The reversal of 740384 is 483047.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 784 = 860^2 + 28^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 1224.

2⁷⁴⁰³⁸⁴ is an apocalyptic number.

It is an amenable number.

740384 is an abundant number, since it is smaller than the sum of its proper divisors (804124).

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

740384 is a wasteful number, since it uses less digits than its factorization.

740384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 740384 is about 860.4556932231. The cubic root of 740384 is about 90.4660597372.

The spelling of 740384 in words is "seven hundred forty thousand, three hundred eighty-four".