738629 has 4 divisors (see below), whose sum is σ = 740460. Its totient is φ = 736800.

The previous prime is 738623. The next prime is 738643. The reversal of 738629 is 926837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 926837 = 347 ⋅2671.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 49729 = 830^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 738629 - 2⁸ = 738373 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 3¹¹ + 6⁴ + 8⁵ + 2¹⁹ + 9³ .

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (185115).

2⁷³⁸⁶²⁹ is an apocalyptic number.

It is an amenable number.

738629 is a deficient number, since it is larger than the sum of its proper divisors (1831).

738629 is a wasteful number, since it uses less digits than its factorization.

738629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its digits is 18144, while the sum is 35.

The square root of 738629 is about 859.4352797041. The cubic root of 738629 is about 90.3945231887.

The spelling of 738629 in words is "seven hundred thirty-eight thousand, six hundred twenty-nine".