1900693368 has 96 divisors (see below), whose sum is σ = 5889842400. Its totient is φ = 542433024.

The previous prime is 1900693363. The next prime is 1900693409. The reversal of 1900693368 is 8633960091.

It is a super-2 number, since 2×1900693368² = 7225270558318366848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900693363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609798 + ... + 612906.

It is an arithmetic number, because the mean of its divisors is an integer number (61352525).

Almost surely, 2^1900693368 is an apocalyptic number.

1900693368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1900693368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2944921200).

1900693368 is an abundant number, since it is smaller than the sum of its proper divisors (3989149032).

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

1900693368 is a wasteful number, since it uses less digits than its factorization.

1900693368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1900693368 is about 43596.9421863506. The cubic root of 1900693368 is about 1238.7129743743.

The spelling of 1900693368 in words is "one billion, nine hundred million, six hundred ninety-three thousand, three hundred sixty-eight".