738434 has 8 divisors (see below), whose sum is σ = 1111548. Its totient is φ = 367920.

The previous prime is 738421. The next prime is 738443. The reversal of 738434 is 434837.

It can be written as a sum of positive squares in 2 ways, for example, as 717409 + 21025 = 847^2 + 145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 738397 and 738406.

It is an unprimeable number.

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, 404 + ... + 1280.

2⁷³⁸⁴³⁴ is an apocalyptic number.

738434 is a deficient number, since it is larger than the sum of its proper divisors (373114).

738434 is a wasteful number, since it uses less digits than its factorization.

738434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its digits is 8064, while the sum is 29.

The square root of 738434 is about 859.3218256276. The cubic root of 738434 is about 90.3865676912.

The spelling of 738434 in words is "seven hundred thirty-eight thousand, four hundred thirty-four".