1913241 has 8 divisors (see below), whose sum is σ = 2782944. Its totient is φ = 1159520.

The previous prime is 1913221. The next prime is 1913251. The reversal of 1913241 is 1423191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1913241 - 2¹³ = 1905049 is a prime.

It is a super-2 number, since 2×1913241² = 7320982248162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1913201) 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 7 ways as a sum of consecutive naturals, for example, 28956 + ... + 29021.

It is an arithmetic number, because the mean of its divisors is an integer number (347868).

2^1913241 is an apocalyptic number.

1913241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1913241 is a deficient number, since it is larger than the sum of its proper divisors (869703).

1913241 is a wasteful number, since it uses less digits than its factorization.

1913241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57991.

The product of its digits is 216, while the sum is 21.

The square root of 1913241 is about 1383.1995517640. The cubic root of 1913241 is about 124.1432830361.

The spelling of 1913241 in words is "one million, nine hundred thirteen thousand, two hundred forty-one".