1073928438 has 24 divisors (see below), whose sum is σ = 2538376776. Its totient is φ = 325432800.

The previous prime is 1073928421. The next prime is 1073928439. The reversal of 1073928438 is 8348293701.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1073928393 and 1073928402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073928439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2711743 + ... + 2712138.

It is an arithmetic number, because the mean of its divisors is an integer number (105765699).

Almost surely, 2^1073928438 is an apocalyptic number.

1073928438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1073928438 is an abundant number, since it is smaller than the sum of its proper divisors (1464448338).

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

1073928438 is a wasteful number, since it uses less digits than its factorization.

1073928438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423900 (or 5423897 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1073928438 is about 32770.8473799504. The cubic root of 1073928438 is about 1024.0593195566.

The spelling of 1073928438 in words is "one billion, seventy-three million, nine hundred twenty-eight thousand, four hundred thirty-eight".