538391412 has 54 divisors (see below), whose sum is σ = 1473690582. Its totient is φ = 165657024.

The previous prime is 538391389. The next prime is 538391423. The reversal of 538391412 is 214193835.

It can be written as a sum of positive squares in 3 ways, for example, as 26998416 + 511392996 = 5196^2 + 22614^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38163 + ... + 50330.

Almost surely, 2^538391412 is an apocalyptic number.

538391412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

538391412 is an abundant number, since it is smaller than the sum of its proper divisors (935299170).

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

538391412 is a wasteful number, since it uses less digits than its factorization.

538391412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88529 (or 88511 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 538391412 is about 23203.2629601959. The cubic root of 538391412 is about 813.5158919386.

The spelling of 538391412 in words is "five hundred thirty-eight million, three hundred ninety-one thousand, four hundred twelve".