739904 has 28 divisors (see below), whose sum is σ = 1603248. Its totient is φ = 336000.

The previous prime is 739861. The next prime is 739909. The reversal of 739904 is 409937.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (739909) 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, 179 + ... + 1229.

2⁷³⁹⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 739904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801624).

739904 is an abundant number, since it is smaller than the sum of its proper divisors (863344).

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

739904 is a wasteful number, since it uses less digits than its factorization.

739904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 739904 is about 860.1767260279. The cubic root of 739904 is about 90.4465054266.

Adding to 739904 its sum of digits (32), we get a triangular number (739936 = T₁₂₁₆).

The spelling of 739904 in words is "seven hundred thirty-nine thousand, nine hundred four".