1903996 has 12 divisors (see below), whose sum is σ = 3343648. Its totient is φ = 948672.

The previous prime is 1903991. The next prime is 1904011. The reversal of 1903996 is 6993091.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820 + ... + 2116.

2^1903996 is an apocalyptic number.

It is an amenable number.

1903996 is a deficient number, since it is larger than the sum of its proper divisors (1439652).

1903996 is a wasteful number, since it uses less digits than its factorization.

1903996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 1903996 is about 1379.8536154245. The cubic root of 1903996 is about 123.9430018999.

It can be divided in two parts, 190 and 3996, that added together give a triangular number (4186 = T₉₁).

The spelling of 1903996 in words is "one million, nine hundred three thousand, nine hundred ninety-six".