938264421 has 4 divisors (see below), whose sum is σ = 1251019232. Its totient is φ = 625509612.

The previous prime is 938264419. The next prime is 938264471. The reversal of 938264421 is 124462839.

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 not a de Polignac number, because 938264421 - 2¹ = 938264419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 938264421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938264471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156377401 + ... + 156377406.

It is an arithmetic number, because the mean of its divisors is an integer number (312754808).

Almost surely, 2^938264421 is an apocalyptic number.

It is an amenable number.

938264421 is a deficient number, since it is larger than the sum of its proper divisors (312754811).

938264421 is a wasteful number, since it uses less digits than its factorization.

938264421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312754810.

The product of its digits is 82944, while the sum is 39.

The square root of 938264421 is about 30631.1021838915. The cubic root of 938264421 is about 978.9828475395.

The spelling of 938264421 in words is "nine hundred thirty-eight million, two hundred sixty-four thousand, four hundred twenty-one".