738906845 has 4 divisors (see below), whose sum is σ = 886688220. Its totient is φ = 591125472.

The previous prime is 738906823. The next prime is 738906871. The reversal of 738906845 is 548609837.

738906845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548609837 = 53 ⋅10351129.

It can be written as a sum of positive squares in 2 ways, for example, as 310499641 + 428407204 = 17621^2 + 20698^2 .

It is a cyclic number.

It is not a de Polignac number, because 738906845 - 2⁸ = 738906589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 738906793 and 738906802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73890680 + ... + 73890689.

It is an arithmetic number, because the mean of its divisors is an integer number (221672055).

Almost surely, 2^738906845 is an apocalyptic number.

It is an amenable number.

738906845 is a deficient number, since it is larger than the sum of its proper divisors (147781375).

738906845 is a wasteful number, since it uses less digits than its factorization.

738906845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147781374.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 738906845 is about 27182.8410031034. The cubic root of 738906845 is about 904.0585613021.

The spelling of 738906845 in words is "seven hundred thirty-eight million, nine hundred six thousand, eight hundred forty-five".