1913908 has 12 divisors (see below), whose sum is σ = 3525760. Its totient is φ = 906552.

The previous prime is 1913903. The next prime is 1913917. The reversal of 1913908 is 8093191.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1913908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913903) 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, 12516 + ... + 12667.

2^1913908 is an apocalyptic number.

It is an amenable number.

1913908 is a deficient number, since it is larger than the sum of its proper divisors (1611852).

1913908 is a wasteful number, since it uses less digits than its factorization.

1913908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25206 (or 25204 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1913908 is about 1383.4406384085. The cubic root of 1913908 is about 124.1577077651.

The spelling of 1913908 in words is "one million, nine hundred thirteen thousand, nine hundred eight".