738420 has 48 divisors (see below), whose sum is σ = 2139648. Its totient is φ = 190080.

The previous prime is 738403. The next prime is 738421. The reversal of 738420 is 24837.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 738420.

It is not an unprimeable number, because it can be changed into a prime (738421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1662 + ... + 2058.

It is an arithmetic number, because the mean of its divisors is an integer number (44576).

2⁷³⁸⁴²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 738420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1069824).

738420 is an abundant number, since it is smaller than the sum of its proper divisors (1401228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

738420 is a wasteful number, since it uses less digits than its factorization.

738420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 738420 is about 859.3136796304. The cubic root of 738420 is about 90.3859964734.

The spelling of 738420 in words is "seven hundred thirty-eight thousand, four hundred twenty".