738685 has 8 divisors (see below), whose sum is σ = 893016. Its totient is φ = 586560.

The previous prime is 738677. The next prime is 738707. The reversal of 738685 is 586837.

It can be written as a sum of positive squares in 4 ways, for example, as 54756 + 683929 = 234^2 + 827^2 .

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

It is not a de Polignac number, because 738685 - 2³ = 738677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315 + ... + 1255.

It is an arithmetic number, because the mean of its divisors is an integer number (111627).

2⁷³⁸⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

738685 is a deficient number, since it is larger than the sum of its proper divisors (154331).

738685 is a wasteful number, since it uses less digits than its factorization.

738685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its digits is 40320, while the sum is 37.

The square root of 738685 is about 859.4678586195. The cubic root of 738685 is about 90.3968075856.

The spelling of 738685 in words is "seven hundred thirty-eight thousand, six hundred eighty-five".