1894984500 has 48 divisors (see below), whose sum is σ = 5518199232. Its totient is φ = 505328800.

The previous prime is 1894984471. The next prime is 1894984519. The reversal of 1894984500 is 54894981.

It is a self number, because there is not a number n which added to its sum of digits gives 1894984500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630162 + ... + 633161.

It is an arithmetic number, because the mean of its divisors is an integer number (114962484).

Almost surely, 2^1894984500 is an apocalyptic number.

1894984500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1894984500 is an abundant number, since it is smaller than the sum of its proper divisors (3623214732).

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

1894984500 is a wasteful number, since it uses less digits than its factorization.

1894984500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263345 (or 1263333 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1894984500 is about 43531.4196873936. The cubic root of 1894984500 is about 1237.4715430657.

The spelling of 1894984500 in words is "one billion, eight hundred ninety-four million, nine hundred eighty-four thousand, five hundred".