738481 has 4 divisors (see below), whose sum is σ = 740592. Its totient is φ = 736372.

The previous prime is 738469. The next prime is 738487. The reversal of 738481 is 184837.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 738481 - 2⁹ = 737969 is a prime.

It is a super-2 number, since 2×738481² = 1090708374722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738487) 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, 391 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (185148).

2⁷³⁸⁴⁸¹ is an apocalyptic number.

738481 is the 544-th centered pentagonal number.

It is an amenable number.

738481 is a deficient number, since it is larger than the sum of its proper divisors (2111).

738481 is a wasteful number, since it uses less digits than its factorization.

738481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110.

The product of its digits is 5376, while the sum is 31.

The square root of 738481 is about 859.3491723392. The cubic root of 738481 is about 90.3884852982.

The spelling of 738481 in words is "seven hundred thirty-eight thousand, four hundred eighty-one".