536491746 has 144 divisors (see below), whose sum is σ = 1456475904. Its totient is φ = 139262976.

The previous prime is 536491727. The next prime is 536491759. The reversal of 536491746 is 647194635.

536491746 is a `hidden beast` number, since 536 + 49 + 1 + 74 + 6 = 666.

It is a super-3 number, since 3×536491746³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7349166 + ... + 7349238.

It is an arithmetic number, because the mean of its divisors is an integer number (10114416).

Almost surely, 2^536491746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536491746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728237952).

536491746 is an abundant number, since it is smaller than the sum of its proper divisors (919984158).

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

536491746 is a wasteful number, since it uses less digits than its factorization.

536491746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 149 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 536491746 is about 23162.2914669512. The cubic root of 536491746 is about 812.5579583429.

The spelling of 536491746 in words is "five hundred thirty-six million, four hundred ninety-one thousand, seven hundred forty-six".