738628 has 12 divisors (see below), whose sum is σ = 1410192. Its totient is φ = 335720.

The previous prime is 738623. The next prime is 738643. The reversal of 738628 is 826837.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 738593 and 738602.

It is not an unprimeable number, because it can be changed into a prime (738623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8350 + ... + 8437.

It is an arithmetic number, because the mean of its divisors is an integer number (117516).

2⁷³⁸⁶²⁸ is an apocalyptic number.

It is an amenable number.

738628 is a deficient number, since it is larger than the sum of its proper divisors (671564).

738628 is a wasteful number, since it uses less digits than its factorization.

738628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16802 (or 16800 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 738628 is about 859.4346979265. The cubic root of 738628 is about 90.3944823949.

Subtracting from 738628 its product of digits (16128), we obtain a square (722500 = 850²).

Subtracting 738628 from its reverse (826837), we obtain a square (88209 = 297²).

The spelling of 738628 in words is "seven hundred thirty-eight thousand, six hundred twenty-eight".