1912738104 has 128 divisors (see below), whose sum is σ = 5410152000. Its totient is φ = 626061312.

The previous prime is 1912738103. The next prime is 1912738117. The reversal of 1912738104 is 4018372191.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912738103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3225232 + ... + 3225824.

Almost surely, 2^1912738104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1912738104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2705076000).

1912738104 is an abundant number, since it is smaller than the sum of its proper divisors (3497413896).

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

1912738104 is a wasteful number, since it uses less digits than its factorization.

1912738104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1912738104 is about 43734.8614265554. The cubic root of 1912738104 is about 1241.3240504923.

The spelling of 1912738104 in words is "one billion, nine hundred twelve million, seven hundred thirty-eight thousand, one hundred four".