5128436 has 6 divisors (see below), whose sum is σ = 8974770. Its totient is φ = 2564216.

The previous prime is 5128433. The next prime is 5128463. The reversal of 5128436 is 6348215.

It can be written as a sum of positive squares in only one way, i.e., 3083536 + 2044900 = 1756^2 + 1430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5128399 and 5128408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641051 + ... + 641058.

It is an arithmetic number, because the mean of its divisors is an integer number (1495795).

Almost surely, 2^5128436 is an apocalyptic number.

It is an amenable number.

5128436 is a deficient number, since it is larger than the sum of its proper divisors (3846334).

5128436 is a wasteful number, since it uses less digits than its factorization.

5128436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282113 (or 1282111 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 5128436 is about 2264.6050428276. The cubic root of 5128436 is about 172.4493837350.

The spelling of 5128436 in words is "five million, one hundred twenty-eight thousand, four hundred thirty-six".