1067838990 has 32 divisors (see below), whose sum is σ = 2593696896. Its totient is φ = 281325600.

The previous prime is 1067838983. The next prime is 1067838997. The reversal of 1067838990 is 998387601.

It is an interprime number because it is at equal distance from previous prime (1067838983) and next prime (1067838997).

It is a super-2 number, since 2×1067838990² = 2280560217128440200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067838997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211936 + ... + 216915.

It is an arithmetic number, because the mean of its divisors is an integer number (81053028).

Almost surely, 2^1067838990 is an apocalyptic number.

1067838990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1067838990 is an abundant number, since it is smaller than the sum of its proper divisors (1525857906).

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

1067838990 is a wasteful number, since it uses less digits than its factorization.

1067838990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428944.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1067838990 is about 32677.8057708898. The cubic root of 1067838990 is about 1022.1200904885.

The spelling of 1067838990 in words is "one billion, sixty-seven million, eight hundred thirty-eight thousand, nine hundred ninety".