537634218 has 48 divisors (see below), whose sum is σ = 1191139488. Its totient is φ = 161647200.

The previous prime is 537634199. The next prime is 537634283. The reversal of 537634218 is 812436735.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92280 + ... + 97932.

It is an arithmetic number, because the mean of its divisors is an integer number (24815406).

Almost surely, 2^537634218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537634218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595569744).

537634218 is an abundant number, since it is smaller than the sum of its proper divisors (653505270).

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

537634218 is a wasteful number, since it uses less digits than its factorization.

537634218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811 (or 5800 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 537634218 is about 23186.9406778902. The cubic root of 537634218 is about 813.1343365990.

The spelling of 537634218 in words is "five hundred thirty-seven million, six hundred thirty-four thousand, two hundred eighteen".