1913427 has 12 divisors (see below), whose sum is σ = 2775864. Its totient is φ = 1270080.

The previous prime is 1913419. The next prime is 1913437. The reversal of 1913427 is 7243191.

It is not a de Polignac number, because 1913427 - 2³ = 1913419 is a prime.

It is a super-3 number, since 3×1913427³ = 21016333354058956449, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (27) 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 1913427.

It is not an unprimeable number, because it can be changed into a prime (1913407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3652 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (231322).

2^1913427 is an apocalyptic number.

1913427 is a deficient number, since it is larger than the sum of its proper divisors (862437).

1913427 is a wasteful number, since it uses less digits than its factorization.

1913427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 927 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1913427 is about 1383.2667855479. The cubic root of 1913427 is about 124.1473058613.

The spelling of 1913427 in words is "one million, nine hundred thirteen thousand, four hundred twenty-seven".