2061903 has 8 divisors (see below), whose sum is σ = 2838016. Its totient is φ = 1330200.

The previous prime is 2061887. The next prime is 2061907. The reversal of 2061903 is 3091602.

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

It is not a de Polignac number, because 2061903 - 2⁴ = 2061887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2061903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10993 + ... + 11178.

It is an arithmetic number, because the mean of its divisors is an integer number (354752).

2^2061903 is an apocalyptic number.

2061903 is a deficient number, since it is larger than the sum of its proper divisors (776113).

2061903 is a wasteful number, since it uses less digits than its factorization.

2061903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22205.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2061903 is about 1435.9327978704. The cubic root of 2061903 is about 127.2788013953.

The spelling of 2061903 in words is "two million, sixty-one thousand, nine hundred three".