938457457 has 6 divisors (see below), whose sum is σ = 1091675058. Its totient is φ = 804392064.

The previous prime is 938457449. The next prime is 938457461. The reversal of 938457457 is 754754839.

It can be written as a sum of positive squares in only one way, i.e., 771117361 + 167340096 = 27769^2 + 12936^2 .

It is not a de Polignac number, because 938457457 - 2³ = 938457449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (938457427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9576048 + ... + 9576145.

It is an arithmetic number, because the mean of its divisors is an integer number (181945843).

Almost surely, 2^938457457 is an apocalyptic number.

It is an amenable number.

938457457 is a deficient number, since it is larger than the sum of its proper divisors (153217601).

938457457 is a wasteful number, since it uses less digits than its factorization.

938457457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19152207 (or 19152200 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The square root of 938457457 is about 30634.2530021543. The cubic root of 938457457 is about 979.0499807024.

The spelling of 938457457 in words is "nine hundred thirty-eight million, four hundred fifty-seven thousand, four hundred fifty-seven".