738653 has 4 divisors (see below), whose sum is σ = 741468. Its totient is φ = 735840.

The previous prime is 738643. The next prime is 738677. The reversal of 738653 is 356837.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356837 = 13 ⋅27449.

It can be written as a sum of positive squares in 2 ways, for example, as 293764 + 444889 = 542^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 738653 - 2⁶ = 738589 is a prime.

It is a Duffinian number.

It is a congruent number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 968 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (185367).

2⁷³⁸⁶⁵³ is an apocalyptic number.

It is an amenable number.

738653 is a deficient number, since it is larger than the sum of its proper divisors (2815).

738653 is a wasteful number, since it uses less digits than its factorization.

738653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814.

The product of its digits is 15120, while the sum is 32.

The square root of 738653 is about 859.4492422476. The cubic root of 738653 is about 90.3955022301.

The spelling of 738653 in words is "seven hundred thirty-eight thousand, six hundred fifty-three".