1968903 has 12 divisors (see below), whose sum is σ = 2936128. Its totient is φ = 1270080.

The previous prime is 1968899. The next prime is 1968919. The reversal of 1968903 is 3098691.

It is not a de Polignac number, because 1968903 - 2² = 1968899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968983) 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, 3250 + ... + 3807.

2^1968903 is an apocalyptic number.

1968903 is a deficient number, since it is larger than the sum of its proper divisors (967225).

1968903 is a wasteful number, since it uses less digits than its factorization.

1968903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094 (or 7091 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1968903 is about 1403.1760402743. The cubic root of 1968903 is about 125.3356949972.

The spelling of 1968903 in words is "one million, nine hundred sixty-eight thousand, nine hundred three".