5431536 has 120 divisors (see below), whose sum is σ = 17332224. Its totient is φ = 1632960.

The previous prime is 5431529. The next prime is 5431537. The reversal of 5431536 is 6351345.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42705 + ... + 42831.

Almost surely, 2^5431536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5431536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8666112).

5431536 is an abundant number, since it is smaller than the sum of its proper divisors (11900688).

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

5431536 is a wasteful number, since it uses less digits than its factorization.

5431536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 143 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 5431536 is about 2330.5655965881. The cubic root of 5431536 is about 175.7819268774.

The spelling of 5431536 in words is "five million, four hundred thirty-one thousand, five hundred thirty-six".