1894296772 has 6 divisors (see below), whose sum is σ = 3315019358. Its totient is φ = 947148384.

The previous prime is 1894296769. The next prime is 1894296779. The reversal of 1894296772 is 2776924981.

It can be written as a sum of positive squares in only one way, i.e., 1461074176 + 433222596 = 38224^2 + 20814^2 .

It is not an unprimeable number, because it can be changed into a prime (1894296779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236787093 + ... + 236787100.

Almost surely, 2^1894296772 is an apocalyptic number.

It is an amenable number.

1894296772 is a deficient number, since it is larger than the sum of its proper divisors (1420722586).

1894296772 is a wasteful number, since it uses less digits than its factorization.

1894296772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473574197 (or 473574195 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 1894296772 is about 43523.5197565638. The cubic root of 1894296772 is about 1237.3218238456.

The spelling of 1894296772 in words is "one billion, eight hundred ninety-four million, two hundred ninety-six thousand, seven hundred seventy-two".