1903702812 has 48 divisors (see below), whose sum is σ = 4867212672. Its totient is φ = 574329280.

The previous prime is 1903702793. The next prime is 1903702819. The reversal of 1903702812 is 2182073091.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903702819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1803 + ... + 61730.

It is an arithmetic number, because the mean of its divisors is an integer number (101400264).

Almost surely, 2^1903702812 is an apocalyptic number.

1903702812 is a gapful number since it is divisible by the number (12) 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 1903702812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433606336).

1903702812 is an abundant number, since it is smaller than the sum of its proper divisors (2963509860).

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

1903702812 is a wasteful number, since it uses less digits than its factorization.

1903702812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63778 (or 63776 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1903702812 is about 43631.4429282370. The cubic root of 1903702812 is about 1239.3663976008.

The spelling of 1903702812 in words is "one billion, nine hundred three million, seven hundred two thousand, eight hundred twelve".