740984 has 8 divisors (see below), whose sum is σ = 1389360. Its totient is φ = 370488.

The previous prime is 740969. The next prime is 740989. The reversal of 740984 is 489047.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 740984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740989) by changing a digit.

740984 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 46304 + ... + 46319.

It is an arithmetic number, because the mean of its divisors is an integer number (173670).

2⁷⁴⁰⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

740984 is a deficient number, since it is larger than the sum of its proper divisors (648376).

740984 is a wasteful number, since it uses less digits than its factorization.

740984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92629 (or 92625 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 740984 is about 860.8042750823. The cubic root of 740984 is about 90.4904907441.

The spelling of 740984 in words is "seven hundred forty thousand, nine hundred eighty-four".