5209420 has 24 divisors (see below), whose sum is σ = 11516400. Its totient is φ = 1973952.

The previous prime is 5209411. The next prime is 5209441. The reversal of 5209420 is 249025.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5209391 and 5209400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6475 + ... + 7234.

It is an arithmetic number, because the mean of its divisors is an integer number (479850).

Almost surely, 2^5209420 is an apocalyptic number.

It is an amenable number.

5209420 is an abundant number, since it is smaller than the sum of its proper divisors (6306980).

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

5209420 is a wasteful number, since it uses less digits than its factorization.

5209420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13737 (or 13735 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 5209420 is about 2282.4153872597. The cubic root of 5209420 is about 173.3523729907.

The spelling of 5209420 in words is "five million, two hundred nine thousand, four hundred twenty".