1894495460 has 96 divisors (see below), whose sum is σ = 4800563712. Its totient is φ = 618693120.

The previous prime is 1894495439. The next prime is 1894495507. The reversal of 1894495460 is 645944981.

It is a super-2 number, since 2×1894495460² = 7178226095921223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1894495399 and 1894495408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96869 + ... + 114771.

It is an arithmetic number, because the mean of its divisors is an integer number (50005872).

Almost surely, 2^1894495460 is an apocalyptic number.

1894495460 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 1894495460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400281856).

1894495460 is an abundant number, since it is smaller than the sum of its proper divisors (2906068252).

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

1894495460 is a wasteful number, since it uses less digits than its factorization.

1894495460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17973 (or 17971 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 1894495460 is about 43525.8022326987. The cubic root of 1894495460 is about 1237.3650821861.

The spelling of 1894495460 in words is "one billion, eight hundred ninety-four million, four hundred ninety-five thousand, four hundred sixty".