938740545 has 24 divisors (see below), whose sum is σ = 1630302336. Its totient is φ = 499691808.

The previous prime is 938740519. The next prime is 938740571. The reversal of 938740545 is 545047839.

938740545 is a `hidden beast` number, since 9 + 38 + 74 + 0 + 545 = 666.

938740545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (938740519) and next prime (938740571).

It is not a de Polignac number, because 938740545 - 2⁵ = 938740513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 938740545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3592 + ... + 43478.

It is an arithmetic number, because the mean of its divisors is an integer number (67929264).

Almost surely, 2^938740545 is an apocalyptic number.

It is an amenable number.

938740545 is a deficient number, since it is larger than the sum of its proper divisors (691561791).

938740545 is a wasteful number, since it uses less digits than its factorization.

938740545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40421 (or 40418 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 938740545 is about 30638.8731026453. The cubic root of 938740545 is about 979.1484150836.

The spelling of 938740545 in words is "nine hundred thirty-eight million, seven hundred forty thousand, five hundred forty-five".