537807438 has 60 divisors (see below), whose sum is σ = 1401856632. Its totient is φ = 153657000.

The previous prime is 537807421. The next prime is 537807481. The reversal of 537807438 is 834708735.

537807438 is a `hidden beast` number, since 537 + 80 + 7 + 4 + 38 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 537807393 and 537807402.

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 25938 + ... + 41813.

Almost surely, 2^537807438 is an apocalyptic number.

537807438 is an abundant number, since it is smaller than the sum of its proper divisors (864049194).

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

537807438 is a wasteful number, since it uses less digits than its factorization.

537807438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67779 (or 67763 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 537807438 is about 23190.6756693288. The cubic root of 537807438 is about 813.2216549535.

The spelling of 537807438 in words is "five hundred thirty-seven million, eight hundred seven thousand, four hundred thirty-eight".