1913636 has 12 divisors (see below), whose sum is σ = 3376128. Its totient is φ = 949032.

The previous prime is 1913627. The next prime is 1913641. The reversal of 1913636 is 6363191.

It is a junction number, because it is equal to n+sod(n) for n = 1913599 and 1913608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (281344).

2^1913636 is an apocalyptic number.

It is an amenable number.

1913636 is a deficient number, since it is larger than the sum of its proper divisors (1462492).

1913636 is a wasteful number, since it uses less digits than its factorization.

1913636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898 (or 3896 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

The square root of 1913636 is about 1383.3423292880. The cubic root of 1913636 is about 124.1518258216.

The spelling of 1913636 in words is "one million, nine hundred thirteen thousand, six hundred thirty-six".