537387894 has 24 divisors (see below), whose sum is σ = 1180293192. Its totient is φ = 176675040.

The previous prime is 537387881. The next prime is 537387911. The reversal of 537387894 is 498783735.

537387894 is a `hidden beast` number, since 537 + 38 + 78 + 9 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 537387894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203172 + ... + 205799.

It is an arithmetic number, because the mean of its divisors is an integer number (49178883).

Almost surely, 2^537387894 is an apocalyptic number.

537387894 is an abundant number, since it is smaller than the sum of its proper divisors (642905298).

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

537387894 is a wasteful number, since it uses less digits than its factorization.

537387894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409052 (or 409049 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 537387894 is about 23181.6283724850. The cubic root of 537387894 is about 813.0101349935.

The spelling of 537387894 in words is "five hundred thirty-seven million, three hundred eighty-seven thousand, eight hundred ninety-four".