1864988094 has 48 divisors (see below), whose sum is σ = 3985837488. Its totient is φ = 581618688.

The previous prime is 1864988089. The next prime is 1864988107. The reversal of 1864988094 is 4908894681.

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, 296874 + ... + 303090.

It is an arithmetic number, because the mean of its divisors is an integer number (83038281).

Almost surely, 2^1864988094 is an apocalyptic number.

1864988094 is an abundant number, since it is smaller than the sum of its proper divisors (2120849394).

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

1864988094 is a wasteful number, since it uses less digits than its factorization.

1864988094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 1864988094 is about 43185.5079164296. The cubic root of 1864988094 is about 1230.9073204954.

The spelling of 1864988094 in words is "one billion, eight hundred sixty-four million, nine hundred eighty-eight thousand, ninety-four".