1999152 has 30 divisors (see below), whose sum is σ = 5595252. Its totient is φ = 666336.

The previous prime is 1999121. The next prime is 1999163. The reversal of 1999152 is 2519991.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6798 + ... + 7085.

2^1999152 is an apocalyptic number.

1999152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1999152 is an abundant number, since it is smaller than the sum of its proper divisors (3596100).

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

1999152 is a wasteful number, since it uses less digits than its factorization.

1999152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897 (or 13888 counting only the distinct ones).

The product of its digits is 7290, while the sum is 36.

The square root of 1999152 is about 1413.9137173109. The cubic root of 1999152 is about 125.9742955880.

The spelling of 1999152 in words is "one million, nine hundred ninety-nine thousand, one hundred fifty-two".