1834894740 has 96 divisors (see below), whose sum is σ = 5904347904. Its totient is φ = 417070080.

The previous prime is 1834894727. The next prime is 1834894781. The reversal of 1834894740 is 474984381.

It is a super-3 number, since 3×1834894740³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1834894740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63952 + ... + 88088.

It is an arithmetic number, because the mean of its divisors is an integer number (61503624).

Almost surely, 2^1834894740 is an apocalyptic number.

1834894740 is a gapful number since it is divisible by the number (10) 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 1834894740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952173952).

1834894740 is an abundant number, since it is smaller than the sum of its proper divisors (4069453164).

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

1834894740 is a wasteful number, since it uses less digits than its factorization.

1834894740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24337 (or 24335 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 1834894740 is about 42835.6713499392. The cubic root of 1834894740 is about 1224.2507682835.

The spelling of 1834894740 in words is "one billion, eight hundred thirty-four million, eight hundred ninety-four thousand, seven hundred forty".