5409278 has 32 divisors (see below), whose sum is σ = 9828864. Its totient is φ = 2182752.

The previous prime is 5409269. The next prime is 5409293. The reversal of 5409278 is 8729045.

5409278 = 102² + 103² + ... + 258².

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 34376 + ... + 34532.

It is an arithmetic number, because the mean of its divisors is an integer number (307152).

Almost surely, 2^5409278 is an apocalyptic number.

5409278 is a deficient number, since it is larger than the sum of its proper divisors (4419586).

5409278 is a wasteful number, since it uses less digits than its factorization.

5409278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 5409278 is about 2325.7854587214. The cubic root of 5409278 is about 175.5414847156.

The spelling of 5409278 in words is "five million, four hundred nine thousand, two hundred seventy-eight".