1913463 has 10 divisors (see below), whose sum is σ = 2858504. Its totient is φ = 1275588.

The previous prime is 1913447. The next prime is 1913467. The reversal of 1913463 is 3643191.

It is not a de Polignac number, because 1913463 - 2⁴ = 1913447 is a prime.

It is a super-2 number, since 2×1913463² = 7322681304738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11731 + ... + 11892.

2^1913463 is an apocalyptic number.

1913463 is a deficient number, since it is larger than the sum of its proper divisors (945041).

1913463 is an equidigital number, since it uses as much as digits as its factorization.

1913463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23635 (or 23626 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1913463 is about 1383.2797981609. The cubic root of 1913463 is about 124.1480844425.

The spelling of 1913463 in words is "one million, nine hundred thirteen thousand, four hundred sixty-three".