1038926990 has 16 divisors (see below), whose sum is σ = 1900726560. Its totient is φ = 408757920.

The previous prime is 1038926957. The next prime is 1038927007. The reversal of 1038926990 is 996298301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850970 + ... + 852189.

It is an arithmetic number, because the mean of its divisors is an integer number (118795410).

Almost surely, 2^1038926990 is an apocalyptic number.

1038926990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1038926990 is a deficient number, since it is larger than the sum of its proper divisors (861799570).

1038926990 is a wasteful number, since it uses less digits than its factorization.

1038926990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703227.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 1038926990 is about 32232.3903860697. The cubic root of 1038926990 is about 1012.8108447609.

The spelling of 1038926990 in words is "one billion, thirty-eight million, nine hundred twenty-six thousand, nine hundred ninety".