1900063 has 12 divisors (see below), whose sum is σ = 2145024. Its totient is φ = 1680800.

The previous prime is 1900049. The next prime is 1900079. The reversal of 1900063 is 3600091.

It is a de Polignac number, because none of the positive numbers 2^k-1900063 is a prime.

It is a super-2 number, since 2×1900063² = 7220478807938, which contains 22 as substring.

It is a Duffinian number.

1900063 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1900063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4770 + ... + 5152.

It is an arithmetic number, because the mean of its divisors is an integer number (178752).

2^1900063 is an apocalyptic number.

1900063 is a deficient number, since it is larger than the sum of its proper divisors (244961).

1900063 is a wasteful number, since it uses less digits than its factorization.

1900063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1900063 is about 1378.4277275215. The cubic root of 1900063 is about 123.8576018852.

The spelling of 1900063 in words is "one million, nine hundred thousand, sixty-three".