5209290 has 24 divisors (see below), whose sum is σ = 13544388. Its totient is φ = 1389120.

The previous prime is 5209283. The next prime is 5209291. The reversal of 5209290 is 929025.

It can be written as a sum of positive squares in 2 ways, for example, as 4498641 + 710649 = 2121^2 + 843^2 .

It is not an unprimeable number, because it can be changed into a prime (5209291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28851 + ... + 29030.

Almost surely, 2^5209290 is an apocalyptic number.

5209290 is an abundant number, since it is smaller than the sum of its proper divisors (8335098).

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

5209290 is a wasteful number, since it uses less digits than its factorization.

5209290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57894 (or 57891 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5209290 is about 2282.3869084798. The cubic root of 5209290 is about 173.3509309878.

The spelling of 5209290 in words is "five million, two hundred nine thousand, two hundred ninety".