1896813396 has 192 divisors, whose sum is σ = 5356108800. Its totient is φ = 578627712.

The previous prime is 1896813383. The next prime is 1896813421. The reversal of 1896813396 is 6933186981.

1896813396 is a `hidden beast` number, since 189 + 68 + 13 + 396 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11636811 + ... + 11636973.

It is an arithmetic number, because the mean of its divisors is an integer number (27896400).

Almost surely, 2^1896813396 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 1896813396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678054400).

1896813396 is an abundant number, since it is smaller than the sum of its proper divisors (3459295404).

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

1896813396 is a wasteful number, since it uses less digits than its factorization.

1896813396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 347 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 1896813396 is about 43552.4212415337. The cubic root of 1896813396 is about 1237.8695197691.

The spelling of 1896813396 in words is "one billion, eight hundred ninety-six million, eight hundred thirteen thousand, three hundred ninety-six".