57838212 has 30 divisors (see below), whose sum is σ = 151201358. Its totient is φ = 19279296.

The previous prime is 57838201. The next prime is 57838217. The reversal of 57838212 is 21283875.

57838212 is a `hidden beast` number, since 578 + 3 + 82 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56340036 + 1498176 = 7506^2 + 1224^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57838217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 88933 + ... + 89580.

Almost surely, 2^57838212 is an apocalyptic number.

It is an amenable number.

57838212 is an abundant number, since it is smaller than the sum of its proper divisors (93363146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57838212 is a wasteful number, since it uses less digits than its factorization.

57838212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178529 (or 178518 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 57838212 is about 7605.1437856230. The cubic root of 57838212 is about 386.7274085444.

The spelling of 57838212 in words is "fifty-seven million, eight hundred thirty-eight thousand, two hundred twelve".