1999272324 has 36 divisors (see below), whose sum is σ = 5426597904. Its totient is φ = 571220496.

The previous prime is 1999272313. The next prime is 1999272337. The reversal of 1999272324 is 4232729991.

1999272324 is a modest number, since divided by 72324 gives 19992 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1699474 + ... + 1700649.

Almost surely, 2^1999272324 is an apocalyptic number.

1999272324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1999272324 is an abundant number, since it is smaller than the sum of its proper divisors (3427325580).

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

1999272324 is a wasteful number, since it uses less digits than its factorization.

1999272324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400144 (or 3400135 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 1999272324 is about 44713.2231448371. The cubic root of 1999272324 is about 1259.7682289744.

The spelling of 1999272324 in words is "one billion, nine hundred ninety-nine million, two hundred seventy-two thousand, three hundred twenty-four".