1009294438 has 16 divisors (see below), whose sum is σ = 1529478720. Its totient is φ = 499478400.

The previous prime is 1009294427. The next prime is 1009294457. The reversal of 1009294438 is 8344929001.

It is a self number, because there is not a number n which added to its sum of digits gives 1009294438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266478 + ... + 270238.

It is an arithmetic number, because the mean of its divisors is an integer number (95592420).

Almost surely, 2^1009294438 is an apocalyptic number.

1009294438 is a deficient number, since it is larger than the sum of its proper divisors (520184282).

1009294438 is a wasteful number, since it uses less digits than its factorization.

1009294438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1009294438 is about 31769.3946747495. The cubic root of 1009294438 is about 1003.0885967490.

The spelling of 1009294438 in words is "one billion, nine million, two hundred ninety-four thousand, four hundred thirty-eight".