738641 has 4 divisors (see below), whose sum is σ = 743232. Its totient is φ = 734052.

The previous prime is 738623. The next prime is 738643. The reversal of 738641 is 146837.

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 738641 - 2¹⁰ = 737617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738643) 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, 2045 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (185808).

2⁷³⁸⁶⁴¹ is an apocalyptic number.

It is an amenable number.

738641 is a deficient number, since it is larger than the sum of its proper divisors (4591).

738641 is a wasteful number, since it uses less digits than its factorization.

738641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590.

The product of its digits is 4032, while the sum is 29.

The square root of 738641 is about 859.4422610042. The cubic root of 738641 is about 90.3950127120.

The spelling of 738641 in words is "seven hundred thirty-eight thousand, six hundred forty-one".