5209378 has 32 divisors (see below), whose sum is σ = 8790768. Its totient is φ = 2304000.

The previous prime is 5209319. The next prime is 5209381. The reversal of 5209378 is 8739025.

It can be written as a sum of positive squares in 8 ways, for example, as 4422609 + 786769 = 2103^2 + 887^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam number.

It is a nialpdrome in base 14.

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 15 ways as a sum of consecutive naturals, for example, 51528 + ... + 51628.

Almost surely, 2^5209378 is an apocalyptic number.

5209378 is a deficient number, since it is larger than the sum of its proper divisors (3581390).

5209378 is a wasteful number, since it uses less digits than its factorization.

5209378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5209378 is about 2282.4061864620. The cubic root of 5209378 is about 173.3519071155.

The spelling of 5209378 in words is "five million, two hundred nine thousand, three hundred seventy-eight".