537685394 has 8 divisors (see below), whose sum is σ = 806848560. Its totient is φ = 268735876.

The previous prime is 537685387. The next prime is 537685399. The reversal of 537685394 is 493586735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (537685399) 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 3 ways as a sum of consecutive naturals, for example, 46964 + ... + 57279.

It is an arithmetic number, because the mean of its divisors is an integer number (100856070).

Almost surely, 2^537685394 is an apocalyptic number.

537685394 is a deficient number, since it is larger than the sum of its proper divisors (269163166).

537685394 is a wasteful number, since it uses less digits than its factorization.

537685394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106824.

The product of its digits is 2721600, while the sum is 50.

The square root of 537685394 is about 23188.0442038564. The cubic root of 537685394 is about 813.1601358266.

The spelling of 537685394 in words is "five hundred thirty-seven million, six hundred eighty-five thousand, three hundred ninety-four".