5209356 has 12 divisors (see below), whose sum is σ = 12155192. Its totient is φ = 1736448.

The previous prime is 5209319. The next prime is 5209381. The reversal of 5209356 is 6539025.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 217045 + ... + 217068.

Almost surely, 2^5209356 is an apocalyptic number.

It is an amenable number.

5209356 is an abundant number, since it is smaller than the sum of its proper divisors (6945836).

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

5209356 is a wasteful number, since it uses less digits than its factorization.

5209356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434120 (or 434118 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 5209356 is about 2282.4013669817. The cubic root of 5209356 is about 173.3516630846.

It can be divided in two parts, 5209 and 356, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 5209356 in words is "five million, two hundred nine thousand, three hundred fifty-six".