1934838864 has 120 divisors (see below), whose sum is σ = 6280996800. Its totient is φ = 544541184.

The previous prime is 1934838859. The next prime is 1934838877. The reversal of 1934838864 is 4688384391.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1934838864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53212 + ... + 81860.

It is an arithmetic number, because the mean of its divisors is an integer number (52341640).

Almost surely, 2^1934838864 is an apocalyptic number.

1934838864 is a gapful number since it is divisible by the number (14) 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 1934838864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3140498400).

1934838864 is an abundant number, since it is smaller than the sum of its proper divisors (4346157936).

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

1934838864 is a wasteful number, since it uses less digits than its factorization.

1934838864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28737 (or 28728 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 1934838864 is about 43986.8032937153. The cubic root of 1934838864 is about 1246.0867194259.

The spelling of 1934838864 in words is "one billion, nine hundred thirty-four million, eight hundred thirty-eight thousand, eight hundred sixty-four".