1906473472 has 20 divisors (see below), whose sum is σ = 3809224386. Its totient is φ = 953236480.

The previous prime is 1906473461. The next prime is 1906473479. The reversal of 1906473472 is 2743746091.

It can be written as a sum of positive squares in only one way, i.e., 1085307136 + 821166336 = 32944^2 + 28656^2 .

It is not an unprimeable number, because it can be changed into a prime (1906473479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861279 + ... + 1862302.

Almost surely, 2^1906473472 is an apocalyptic number.

It is an amenable number.

1906473472 is a deficient number, since it is larger than the sum of its proper divisors (1902750914).

1906473472 is an frugal number, since it uses more digits than its factorization.

1906473472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723599 (or 3723583 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 1906473472 is about 43663.1821103318. The cubic root of 1906473472 is about 1239.9673664669.

The spelling of 1906473472 in words is "one billion, nine hundred six million, four hundred seventy-three thousand, four hundred seventy-two".