26378438 has 8 divisors (see below), whose sum is σ = 39610560. Its totient is φ = 13174920.

The previous prime is 26378411. The next prime is 26378449. The reversal of 26378438 is 83487362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 26378395 and 26378404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4673 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (4951320).

Almost surely, 2^26378438 is an apocalyptic number.

26378438 is a deficient number, since it is larger than the sum of its proper divisors (13232122).

26378438 is a wasteful number, since it uses less digits than its factorization.

26378438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302.

The product of its digits is 193536, while the sum is 41.

The square root of 26378438 is about 5135.9943535795. The cubic root of 26378438 is about 297.6800238006.

The spelling of 26378438 in words is "twenty-six million, three hundred seventy-eight thousand, four hundred thirty-eight".