738406 has 8 divisors (see below), whose sum is σ = 1113984. Its totient is φ = 367080.

The previous prime is 738403. The next prime is 738421. The reversal of 738406 is 604837.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738401) 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, 585 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (139248).

2⁷³⁸⁴⁰⁶ is an apocalyptic number.

738406 is a deficient number, since it is larger than the sum of its proper divisors (375578).

738406 is a wasteful number, since it uses less digits than its factorization.

738406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 738406 is about 859.3055335560. The cubic root of 738406 is about 90.3854252484.

The spelling of 738406 in words is "seven hundred thirty-eight thousand, four hundred six".