1026597438 has 24 divisors (see below), whose sum is σ = 2224884168. Its totient is φ = 342108432.

The previous prime is 1026597391. The next prime is 1026597491. The reversal of 1026597438 is 8347956201.

1026597438 is a `hidden beast` number, since 1 + 0 + 26 + 597 + 4 + 38 = 666.

1026597438 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

1026597438 is strictly pandigital in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1026597393 and 1026597402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125881 + ... + 133787.

It is an arithmetic number, because the mean of its divisors is an integer number (92703507).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1026597438 = 2053194876, but 3⋅1026597438 = 3079792314 is not.

Almost surely, 2^1026597438 is an apocalyptic number.

1026597438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1026597438 is an abundant number, since it is smaller than the sum of its proper divisors (1198286730).

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

1026597438 is a wasteful number, since it uses less digits than its factorization.

1026597438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15128 (or 15125 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1026597438 is about 32040.5592647819. The cubic root of 1026597438 is about 1008.7883512918.

The spelling of 1026597438 in words is "one billion, twenty-six million, five hundred ninety-seven thousand, four hundred thirty-eight".