1913446 has 4 divisors (see below), whose sum is σ = 2870172. Its totient is φ = 956722.

The previous prime is 1913441. The next prime is 1913447. The reversal of 1913446 is 6443191.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1913446² = 7322551189832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913441) 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 as a sum of consecutive naturals, namely, 478360 + ... + 478363.

It is an arithmetic number, because the mean of its divisors is an integer number (717543).

2^1913446 is an apocalyptic number.

1913446 is a deficient number, since it is larger than the sum of its proper divisors (956726).

1913446 is an equidigital number, since it uses as much as digits as its factorization.

1913446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956725.

The product of its digits is 2592, while the sum is 28.

The square root of 1913446 is about 1383.2736533311. The cubic root of 1913446 is about 124.1477167804.

The spelling of 1913446 in words is "one million, nine hundred thirteen thousand, four hundred forty-six".