1900983 has 8 divisors (see below), whose sum is σ = 2896768. Its totient is φ = 1086264.

The previous prime is 1900981. The next prime is 1901021. The reversal of 1900983 is 3890091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1900983 - 2¹ = 1900981 is a prime.

It is a super-2 number, since 2×1900983² = 7227472732578, which contains 22 as substring.

1900983 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1900983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900981) 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, 45241 + ... + 45282.

It is an arithmetic number, because the mean of its divisors is an integer number (362096).

2^1900983 is an apocalyptic number.

1900983 is a deficient number, since it is larger than the sum of its proper divisors (995785).

1900983 is an equidigital number, since it uses as much as digits as its factorization.

1900983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90533.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1900983 is about 1378.7614006782. The cubic root of 1900983 is about 123.8775890483.

The spelling of 1900983 in words is "one million, nine hundred thousand, nine hundred eighty-three".