1900200 has 48 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 506560.

The previous prime is 1900189. The next prime is 1900201. The reversal of 1900200 is 20091.

It is a happy number.

It is a super-2 number, since 2×1900200² = 7221520080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1900201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (122760).

2^1900200 is an apocalyptic number.

1900200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1900200 is an abundant number, since it is smaller than the sum of its proper divisors (3992280).

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

1900200 is a wasteful number, since it uses less digits than its factorization.

1900200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1900200 is about 1378.4774209250. The cubic root of 1900200 is about 123.8605786433.

Adding to 1900200 its reverse (20091), we get a palindrome (1920291).

The spelling of 1900200 in words is "one million, nine hundred thousand, two hundred".