535640847 has 32 divisors (see below), whose sum is σ = 846458880. Its totient is φ = 294831360.

The previous prime is 535640821. The next prime is 535640863. The reversal of 535640847 is 748046535.

It is not a de Polignac number, because 535640847 - 2⁶ = 535640783 is a prime.

It is a super-2 number, since 2×535640847² = 573822233949754818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 535640799 and 535640808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535640447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147283 + ... + 150875.

It is an arithmetic number, because the mean of its divisors is an integer number (26451840).

Almost surely, 2^535640847 is an apocalyptic number.

535640847 is a deficient number, since it is larger than the sum of its proper divisors (310818033).

535640847 is a wasteful number, since it uses less digits than its factorization.

535640847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 535640847 is about 23143.9159823916. The cubic root of 535640847 is about 812.1281470647.

The spelling of 535640847 in words is "five hundred thirty-five million, six hundred forty thousand, eight hundred forty-seven".