1099504038 has 16 divisors (see below), whose sum is σ = 2200564080. Its totient is φ = 366242016.

The previous prime is 1099504013. The next prime is 1099504051. The reversal of 1099504038 is 8304059901.

It is a junction number, because it is equal to n+sod(n) for n = 1099503987 and 1099504005.

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, 55545 + ... + 72692.

It is an arithmetic number, because the mean of its divisors is an integer number (137535255).

Almost surely, 2^1099504038 is an apocalyptic number.

1099504038 is an abundant number, since it is smaller than the sum of its proper divisors (1101060042).

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

1099504038 is a wasteful number, since it uses less digits than its factorization.

1099504038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129671.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1099504038 is about 33158.7701521030. The cubic root of 1099504038 is about 1032.1249491912.

The spelling of 1099504038 in words is "one billion, ninety-nine million, five hundred four thousand, thirty-eight".