1899004272 has 40 divisors (see below), whose sum is σ = 5351740800. Its totient is φ = 575455680.

The previous prime is 1899004271. The next prime is 1899004273. The reversal of 1899004272 is 2724009981.

It is an interprime number because it is at equal distance from previous prime (1899004271) and next prime (1899004273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1899004271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797772 + ... + 1798827.

It is an arithmetic number, because the mean of its divisors is an integer number (133793520).

Almost surely, 2^1899004272 is an apocalyptic number.

1899004272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1899004272 is an abundant number, since it is smaller than the sum of its proper divisors (3452736528).

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

1899004272 is a wasteful number, since it uses less digits than its factorization.

1899004272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596621 (or 3596615 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1899004272 is about 43577.5661550757. The cubic root of 1899004272 is about 1238.3459284559.

The spelling of 1899004272 in words is "one billion, eight hundred ninety-nine million, four thousand, two hundred seventy-two".