537820206 has 64 divisors (see below), whose sum is σ = 1373815296. Its totient is φ = 136281600.

The previous prime is 537820193. The next prime is 537820219. The reversal of 537820206 is 602028735.

It is an interprime number because it is at equal distance from previous prime (537820193) and next prime (537820219).

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 4746 + ... + 33138.

It is an arithmetic number, because the mean of its divisors is an integer number (21465864).

Almost surely, 2^537820206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537820206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686907648).

537820206 is an abundant number, since it is smaller than the sum of its proper divisors (835995090).

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

537820206 is a wasteful number, since it uses less digits than its factorization.

537820206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28457.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 537820206 is about 23190.9509507480. The cubic root of 537820206 is about 813.2280904241.

The spelling of 537820206 in words is "five hundred thirty-seven million, eight hundred twenty thousand, two hundred six".